20165074680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{285301}}^1$

素因数の和:285365

約数の個数: 128

約数和(自身を含む): 65733580800

約数和(自身を除く): 45568506120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1178, 1240, 1767, 1860, 2280, 2356, 2945, 3534, 3720, 4712, 5890, 7068, 8835, 11780, 14136, 17670, 23560, 35340, 70680, 285301, 570602, 855903, 1141204, 1426505, 1711806, 2282408, 2853010, 3423612, 4279515, 5420719, 5706020, 6847224, 8559030, 8844331, 10841438, 11412040, 16262157, 17118060, 17688662, 21682876, 26532993, 27103595, 32524314, 34236120, 35377324, 43365752, 44221655, 53065986, 54207190, 65048628, 70754648, 81310785, 88443310, 106131972, 108414380, 130097256, 132664965, 162621570, 168042289, 176886620, 212263944, 216828760, 265329930, 325243140, 336084578, 353773240, 504126867, 530659860, 650486280, 672169156, 840211445, 1008253734, 1061319720, 1344338312, 1680422890, 2016507468, 2520634335, 3360845780, 4033014936, 5041268670, 6721691560, 10082537340, 20165074680]

約数ペア:

[(1, 20165074680), (2, 10082537340), (3, 6721691560), (4, 5041268670), (5, 4033014936), (6, 3360845780), (8, 2520634335), (10, 2016507468), (12, 1680422890), (15, 1344338312), (19, 1061319720), (20, 1008253734), (24, 840211445), (30, 672169156), (31, 650486280), (38, 530659860), (40, 504126867), (57, 353773240), (60, 336084578), (62, 325243140), (76, 265329930), (93, 216828760), (95, 212263944), (114, 176886620), (120, 168042289), (124, 162621570), (152, 132664965), (155, 130097256), (186, 108414380), (190, 106131972), (228, 88443310), (248, 81310785), (285, 70754648), (310, 65048628), (372, 54207190), (380, 53065986), (456, 44221655), (465, 43365752), (570, 35377324), (589, 34236120), (620, 32524314), (744, 27103595), (760, 26532993), (930, 21682876), (1140, 17688662), (1178, 17118060), (1240, 16262157), (1767, 11412040), (1860, 10841438), (2280, 8844331), (2356, 8559030), (2945, 6847224), (3534, 5706020), (3720, 5420719), (4712, 4279515), (5890, 3423612), (7068, 2853010), (8835, 2282408), (11780, 1711806), (14136, 1426505), (17670, 1141204), (23560, 855903), (35340, 570602), (70680, 285301)]