20163753488

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1319}}^1\times {\mathrm{13457}}^1$

素因数の和:14855

約数の個数: 40

約数和(自身を含む): 39650497920

約数和(自身を除く): 19486744432

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1319, 2638, 5276, 10552, 13457, 21104, 26914, 53828, 93649, 107656, 187298, 215312, 374596, 749192, 955447, 1498384, 1910894, 3821788, 7643576, 15287152, 17749783, 35499566, 70999132, 141998264, 283996528, 1260234593, 2520469186, 5040938372, 10081876744, 20163753488]

約数ペア:

[(1, 20163753488), (2, 10081876744), (4, 5040938372), (8, 2520469186), (16, 1260234593), (71, 283996528), (142, 141998264), (284, 70999132), (568, 35499566), (1136, 17749783), (1319, 15287152), (2638, 7643576), (5276, 3821788), (10552, 1910894), (13457, 1498384), (21104, 955447), (26914, 749192), (53828, 374596), (93649, 215312), (107656, 187298)]