20162620816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{739967}}^1$

素因数の和:740119

約数の個数: 40

約数和(自身を含む): 42391286784

約数和(自身を除く): 22228665968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 131, 208, 262, 524, 1048, 1703, 2096, 3406, 6812, 13624, 27248, 739967, 1479934, 2959868, 5919736, 9619571, 11839472, 19239142, 38478284, 76956568, 96935677, 153913136, 193871354, 387742708, 775485416, 1260163801, 1550970832, 2520327602, 5040655204, 10081310408, 20162620816]

約数ペア:

[(1, 20162620816), (2, 10081310408), (4, 5040655204), (8, 2520327602), (13, 1550970832), (16, 1260163801), (26, 775485416), (52, 387742708), (104, 193871354), (131, 153913136), (208, 96935677), (262, 76956568), (524, 38478284), (1048, 19239142), (1703, 11839472), (2096, 9619571), (3406, 5919736), (6812, 2959868), (13624, 1479934), (27248, 739967)]