20672498

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{557}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 38890368

約数和(自身を除く): 18217870

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 241, 482, 557, 1114, 1687, 2651, 3374, 3899, 5302, 6127, 7798, 12254, 18557, 37114, 42889, 85778, 134237, 268474, 939659, 1476607, 1879318, 2953214, 10336249, 20672498]

約数ペア:

[(1, 20672498), (2, 10336249), (7, 2953214), (11, 1879318), (14, 1476607), (22, 939659), (77, 268474), (154, 134237), (241, 85778), (482, 42889), (557, 37114), (1114, 18557), (1687, 12254), (2651, 7798), (3374, 6127), (3899, 5302)]