2016340

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{557}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 4265352

約数和(自身を除く): 2249012

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 557, 724, 905, 1114, 1810, 2228, 2785, 3620, 5570, 11140, 100817, 201634, 403268, 504085, 1008170, 2016340]

約数ペア:

[(1, 2016340), (2, 1008170), (4, 504085), (5, 403268), (10, 201634), (20, 100817), (181, 11140), (362, 5570), (557, 3620), (724, 2785), (905, 2228), (1114, 1810)]