20177177790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:887

約数の個数: 256

約数和(自身を含む): 61504634880

約数和(自身を除く): 41327457090

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 103, 105, 110, 137, 154, 165, 206, 210, 231, 274, 309, 330, 385, 411, 462, 515, 618, 619, 685, 721, 770, 822, 959, 1030, 1133, 1155, 1238, 1370, 1442, 1507, 1545, 1857, 1918, 2055, 2163, 2266, 2310, 2877, 3014, 3090, 3095, 3399, 3605, 3714, 4110, 4326, 4333, 4521, 4795, 5665, 5754, 6190, 6798, 6809, 7210, 7535, 7931, 8666, 9042, 9285, 9590, 10549, 10815, 11330, 12999, 13618, 14111, 14385, 15070, 15862, 16995, 18570, 20427, 21098, 21630, 21665, 22605, 23793, 25998, 28222, 28770, 31647, 33990, 34045, 39655, 40854, 42333, 43330, 45210, 47586, 47663, 52745, 63294, 63757, 64995, 68090, 70555, 79310, 84666, 84803, 95326, 98777, 102135, 105490, 118965, 127514, 129990, 141110, 142989, 155221, 158235, 169606, 191271, 197554, 204270, 211665, 237930, 238315, 254409, 285978, 296331, 310442, 316470, 318785, 382542, 423330, 424015, 446299, 465663, 476630, 493885, 508818, 592662, 593621, 637570, 701327, 714945, 776105, 848030, 892598, 931326, 932833, 956355, 987770, 1086547, 1187242, 1272045, 1338897, 1402654, 1429890, 1481655, 1552210, 1780863, 1865666, 1912710, 2103981, 2173094, 2231495, 2328315, 2544090, 2677794, 2798499, 2963310, 2968105, 3259641, 3506635, 3561726, 4207962, 4462990, 4656630, 4664165, 4909289, 5432735, 5596998, 5936210, 6519282, 6529831, 6694485, 7013270, 8734709, 8904315, 9328330, 9818578, 10519905, 10865470, 13059662, 13388970, 13992495, 14727867, 16298205, 17469418, 17808630, 19589493, 21039810, 24546445, 26204127, 27984990, 29455734, 32596410, 32649155, 39178986, 43673545, 49092890, 52408254, 61142963, 65298310, 73639335, 87347090, 96081799, 97947465, 122285926, 131020635, 147278670, 183428889, 192163598, 195894930, 262041270, 288245397, 305714815, 366857778, 480408995, 576490794, 611429630, 672572593, 917144445, 960817990, 1345145186, 1441226985, 1834288890, 2017717779, 2882453970, 3362862965, 4035435558, 6725725930, 10088588895, 20177177790]

約数ペア:

[(1, 20177177790), (2, 10088588895), (3, 6725725930), (5, 4035435558), (6, 3362862965), (7, 2882453970), (10, 2017717779), (11, 1834288890), (14, 1441226985), (15, 1345145186), (21, 960817990), (22, 917144445), (30, 672572593), (33, 611429630), (35, 576490794), (42, 480408995), (55, 366857778), (66, 305714815), (70, 288245397), (77, 262041270), (103, 195894930), (105, 192163598), (110, 183428889), (137, 147278670), (154, 131020635), (165, 122285926), (206, 97947465), (210, 96081799), (231, 87347090), (274, 73639335), (309, 65298310), (330, 61142963), (385, 52408254), (411, 49092890), (462, 43673545), (515, 39178986), (618, 32649155), (619, 32596410), (685, 29455734), (721, 27984990), (770, 26204127), (822, 24546445), (959, 21039810), (1030, 19589493), (1133, 17808630), (1155, 17469418), (1238, 16298205), (1370, 14727867), (1442, 13992495), (1507, 13388970), (1545, 13059662), (1857, 10865470), (1918, 10519905), (2055, 9818578), (2163, 9328330), (2266, 8904315), (2310, 8734709), (2877, 7013270), (3014, 6694485), (3090, 6529831), (3095, 6519282), (3399, 5936210), (3605, 5596998), (3714, 5432735), (4110, 4909289), (4326, 4664165), (4333, 4656630), (4521, 4462990), (4795, 4207962), (5665, 3561726), (5754, 3506635), (6190, 3259641), (6798, 2968105), (6809, 2963310), (7210, 2798499), (7535, 2677794), (7931, 2544090), (8666, 2328315), (9042, 2231495), (9285, 2173094), (9590, 2103981), (10549, 1912710), (10815, 1865666), (11330, 1780863), (12999, 1552210), (13618, 1481655), (14111, 1429890), (14385, 1402654), (15070, 1338897), (15862, 1272045), (16995, 1187242), (18570, 1086547), (20427, 987770), (21098, 956355), (21630, 932833), (21665, 931326), (22605, 892598), (23793, 848030), (25998, 776105), (28222, 714945), (28770, 701327), (31647, 637570), (33990, 593621), (34045, 592662), (39655, 508818), (40854, 493885), (42333, 476630), (43330, 465663), (45210, 446299), (47586, 424015), (47663, 423330), (52745, 382542), (63294, 318785), (63757, 316470), (64995, 310442), (68090, 296331), (70555, 285978), (79310, 254409), (84666, 238315), (84803, 237930), (95326, 211665), (98777, 204270), (102135, 197554), (105490, 191271), (118965, 169606), (127514, 158235), (129990, 155221), (141110, 142989)]