20507130

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{757}}^1$

素因数の和:820

約数の個数: 96

約数和(自身を含む): 62434944

約数和(自身を除く): 41927814

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 43, 45, 63, 70, 86, 90, 105, 126, 129, 210, 215, 258, 301, 315, 387, 430, 602, 630, 645, 757, 774, 903, 1290, 1505, 1514, 1806, 1935, 2271, 2709, 3010, 3785, 3870, 4515, 4542, 5299, 5418, 6813, 7570, 9030, 10598, 11355, 13545, 13626, 15897, 22710, 26495, 27090, 31794, 32551, 34065, 47691, 52990, 65102, 68130, 79485, 95382, 97653, 158970, 162755, 195306, 227857, 238455, 292959, 325510, 455714, 476910, 488265, 585918, 683571, 976530, 1139285, 1367142, 1464795, 2050713, 2278570, 2929590, 3417855, 4101426, 6835710, 10253565, 20507130]

約数ペア:

[(1, 20507130), (2, 10253565), (3, 6835710), (5, 4101426), (6, 3417855), (7, 2929590), (9, 2278570), (10, 2050713), (14, 1464795), (15, 1367142), (18, 1139285), (21, 976530), (30, 683571), (35, 585918), (42, 488265), (43, 476910), (45, 455714), (63, 325510), (70, 292959), (86, 238455), (90, 227857), (105, 195306), (126, 162755), (129, 158970), (210, 97653), (215, 95382), (258, 79485), (301, 68130), (315, 65102), (387, 52990), (430, 47691), (602, 34065), (630, 32551), (645, 31794), (757, 27090), (774, 26495), (903, 22710), (1290, 15897), (1505, 13626), (1514, 13545), (1806, 11355), (1935, 10598), (2271, 9030), (2709, 7570), (3010, 6813), (3785, 5418), (3870, 5299), (4515, 4542)]