20252960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 59766336

約数和(自身を除く): 39513376

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 107, 112, 130, 140, 160, 169, 182, 208, 214, 224, 260, 280, 338, 364, 416, 428, 455, 520, 535, 560, 676, 728, 749, 845, 856, 910, 1040, 1070, 1120, 1183, 1352, 1391, 1456, 1498, 1690, 1712, 1820, 2080, 2140, 2366, 2704, 2782, 2912, 2996, 3380, 3424, 3640, 3745, 4280, 4732, 5408, 5564, 5915, 5992, 6760, 6955, 7280, 7490, 8560, 9464, 9737, 11128, 11830, 11984, 13520, 13910, 14560, 14980, 17120, 18083, 18928, 19474, 22256, 23660, 23968, 27040, 27820, 29960, 36166, 37856, 38948, 44512, 47320, 48685, 55640, 59920, 72332, 77896, 90415, 94640, 97370, 111280, 119840, 126581, 144664, 155792, 180830, 189280, 194740, 222560, 253162, 289328, 311584, 361660, 389480, 506324, 578656, 632905, 723320, 778960, 1012648, 1265810, 1446640, 1557920, 2025296, 2531620, 2893280, 4050592, 5063240, 10126480, 20252960]

約数ペア:

[(1, 20252960), (2, 10126480), (4, 5063240), (5, 4050592), (7, 2893280), (8, 2531620), (10, 2025296), (13, 1557920), (14, 1446640), (16, 1265810), (20, 1012648), (26, 778960), (28, 723320), (32, 632905), (35, 578656), (40, 506324), (52, 389480), (56, 361660), (65, 311584), (70, 289328), (80, 253162), (91, 222560), (104, 194740), (107, 189280), (112, 180830), (130, 155792), (140, 144664), (160, 126581), (169, 119840), (182, 111280), (208, 97370), (214, 94640), (224, 90415), (260, 77896), (280, 72332), (338, 59920), (364, 55640), (416, 48685), (428, 47320), (455, 44512), (520, 38948), (535, 37856), (560, 36166), (676, 29960), (728, 27820), (749, 27040), (845, 23968), (856, 23660), (910, 22256), (1040, 19474), (1070, 18928), (1120, 18083), (1183, 17120), (1352, 14980), (1391, 14560), (1456, 13910), (1498, 13520), (1690, 11984), (1712, 11830), (1820, 11128), (2080, 9737), (2140, 9464), (2366, 8560), (2704, 7490), (2782, 7280), (2912, 6955), (2996, 6760), (3380, 5992), (3424, 5915), (3640, 5564), (3745, 5408), (4280, 4732)]