20458680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1409}}^1$

素因数の和:1445

約数の個数: 96

約数和(自身を含む): 67510800

約数和(自身を除く): 47052120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 605, 660, 726, 968, 1210, 1320, 1409, 1452, 1815, 2420, 2818, 2904, 3630, 4227, 4840, 5636, 7045, 7260, 8454, 11272, 14090, 14520, 15499, 16908, 21135, 28180, 30998, 33816, 42270, 46497, 56360, 61996, 77495, 84540, 92994, 123992, 154990, 169080, 170489, 185988, 232485, 309980, 340978, 371976, 464970, 511467, 619960, 681956, 852445, 929940, 1022934, 1363912, 1704890, 1859880, 2045868, 2557335, 3409780, 4091736, 5114670, 6819560, 10229340, 20458680]

約数ペア:

[(1, 20458680), (2, 10229340), (3, 6819560), (4, 5114670), (5, 4091736), (6, 3409780), (8, 2557335), (10, 2045868), (11, 1859880), (12, 1704890), (15, 1363912), (20, 1022934), (22, 929940), (24, 852445), (30, 681956), (33, 619960), (40, 511467), (44, 464970), (55, 371976), (60, 340978), (66, 309980), (88, 232485), (110, 185988), (120, 170489), (121, 169080), (132, 154990), (165, 123992), (220, 92994), (242, 84540), (264, 77495), (330, 61996), (363, 56360), (440, 46497), (484, 42270), (605, 33816), (660, 30998), (726, 28180), (968, 21135), (1210, 16908), (1320, 15499), (1409, 14520), (1452, 14090), (1815, 11272), (2420, 8454), (2818, 7260), (2904, 7045), (3630, 5636), (4227, 4840)]