20138992020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15983327}}^1$

素因数の和:15983349

約数の個数: 72

約数和(自身を含む): 69815176704

約数和(自身を除く): 49676184684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15983327, 31966654, 47949981, 63933308, 79916635, 95899962, 111883289, 143849943, 159833270, 191799924, 223766578, 239749905, 287699886, 319666540, 335649867, 447533156, 479499810, 559416445, 575399772, 671299734, 719249715, 958999620, 1006949601, 1118832890, 1342599468, 1438499430, 1678249335, 2013899202, 2237665780, 2876998860, 3356498670, 4027798404, 5034748005, 6712997340, 10069496010, 20138992020]

約数ペア:

[(1, 20138992020), (2, 10069496010), (3, 6712997340), (4, 5034748005), (5, 4027798404), (6, 3356498670), (7, 2876998860), (9, 2237665780), (10, 2013899202), (12, 1678249335), (14, 1438499430), (15, 1342599468), (18, 1118832890), (20, 1006949601), (21, 958999620), (28, 719249715), (30, 671299734), (35, 575399772), (36, 559416445), (42, 479499810), (45, 447533156), (60, 335649867), (63, 319666540), (70, 287699886), (84, 239749905), (90, 223766578), (105, 191799924), (126, 159833270), (140, 143849943), (180, 111883289), (210, 95899962), (252, 79916635), (315, 63933308), (420, 47949981), (630, 31966654), (1260, 15983327)]