20784849480

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{45497}}^1$

素因数の和:45570

約数の個数: 192

約数和(自身を含む): 71544695040

約数和(自身を除く): 50759845560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 81, 90, 94, 108, 120, 135, 141, 162, 180, 188, 216, 235, 243, 270, 282, 324, 360, 376, 405, 423, 470, 486, 540, 564, 648, 705, 810, 846, 940, 972, 1080, 1128, 1215, 1269, 1410, 1620, 1692, 1880, 1944, 2115, 2430, 2538, 2820, 3240, 3384, 3807, 4230, 4860, 5076, 5640, 6345, 7614, 8460, 9720, 10152, 11421, 12690, 15228, 16920, 19035, 22842, 25380, 30456, 38070, 45497, 45684, 50760, 57105, 76140, 90994, 91368, 114210, 136491, 152280, 181988, 227485, 228420, 272982, 363976, 409473, 454970, 456840, 545964, 682455, 818946, 909940, 1091928, 1228419, 1364910, 1637892, 1819880, 2047365, 2138359, 2456838, 2729820, 3275784, 3685257, 4094730, 4276718, 4913676, 5459640, 6142095, 6415077, 7370514, 8189460, 8553436, 9827352, 10691795, 11055771, 12284190, 12830154, 14741028, 16378920, 17106872, 18426285, 19245231, 21383590, 22111542, 24568380, 25660308, 29482056, 32075385, 36852570, 38490462, 42767180, 44223084, 49136760, 51320616, 55278855, 57735693, 64150770, 73705140, 76980924, 85534360, 88446168, 96226155, 110557710, 115471386, 128301540, 147410280, 153961848, 173207079, 192452310, 221115420, 230942772, 256603080, 288678465, 346414158, 384904620, 442230840, 461885544, 519621237, 577356930, 692828316, 769809240, 866035395, 1039242474, 1154713860, 1385656632, 1732070790, 2078484948, 2309427720, 2598106185, 3464141580, 4156969896, 5196212370, 6928283160, 10392424740, 20784849480]

約数ペア:

[(1, 20784849480), (2, 10392424740), (3, 6928283160), (4, 5196212370), (5, 4156969896), (6, 3464141580), (8, 2598106185), (9, 2309427720), (10, 2078484948), (12, 1732070790), (15, 1385656632), (18, 1154713860), (20, 1039242474), (24, 866035395), (27, 769809240), (30, 692828316), (36, 577356930), (40, 519621237), (45, 461885544), (47, 442230840), (54, 384904620), (60, 346414158), (72, 288678465), (81, 256603080), (90, 230942772), (94, 221115420), (108, 192452310), (120, 173207079), (135, 153961848), (141, 147410280), (162, 128301540), (180, 115471386), (188, 110557710), (216, 96226155), (235, 88446168), (243, 85534360), (270, 76980924), (282, 73705140), (324, 64150770), (360, 57735693), (376, 55278855), (405, 51320616), (423, 49136760), (470, 44223084), (486, 42767180), (540, 38490462), (564, 36852570), (648, 32075385), (705, 29482056), (810, 25660308), (846, 24568380), (940, 22111542), (972, 21383590), (1080, 19245231), (1128, 18426285), (1215, 17106872), (1269, 16378920), (1410, 14741028), (1620, 12830154), (1692, 12284190), (1880, 11055771), (1944, 10691795), (2115, 9827352), (2430, 8553436), (2538, 8189460), (2820, 7370514), (3240, 6415077), (3384, 6142095), (3807, 5459640), (4230, 4913676), (4860, 4276718), (5076, 4094730), (5640, 3685257), (6345, 3275784), (7614, 2729820), (8460, 2456838), (9720, 2138359), (10152, 2047365), (11421, 1819880), (12690, 1637892), (15228, 1364910), (16920, 1228419), (19035, 1091928), (22842, 909940), (25380, 818946), (30456, 682455), (38070, 545964), (45497, 456840), (45684, 454970), (50760, 409473), (57105, 363976), (76140, 272982), (90994, 228420), (91368, 227485), (114210, 181988), (136491, 152280)]