20176260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25867}}^1$

素因数の和:25892

約数の個数: 48

約数和(自身を含む): 60841536

約数和(自身を除く): 40665276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25867, 51734, 77601, 103468, 129335, 155202, 258670, 310404, 336271, 388005, 517340, 672542, 776010, 1008813, 1345084, 1552020, 1681355, 2017626, 3362710, 4035252, 5044065, 6725420, 10088130, 20176260]

約数ペア:

[(1, 20176260), (2, 10088130), (3, 6725420), (4, 5044065), (5, 4035252), (6, 3362710), (10, 2017626), (12, 1681355), (13, 1552020), (15, 1345084), (20, 1008813), (26, 776010), (30, 672542), (39, 517340), (52, 388005), (60, 336271), (65, 310404), (78, 258670), (130, 155202), (156, 129335), (195, 103468), (260, 77601), (390, 51734), (780, 25867)]