20211594028

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{625591}}^1$

素因数の和:625833

約数の個数: 24

約数和(自身を含む): 36416961504

約数和(自身を除く): 16205367476

約数列:

[1, 2, 4, 41, 82, 164, 197, 394, 788, 8077, 16154, 32308, 625591, 1251182, 2502364, 25649231, 51298462, 102596924, 123241427, 246482854, 492965708, 5052898507, 10105797014, 20211594028]

約数ペア:

[(1, 20211594028), (2, 10105797014), (4, 5052898507), (41, 492965708), (82, 246482854), (164, 123241427), (197, 102596924), (394, 51298462), (788, 25649231), (8077, 2502364), (16154, 1251182), (32308, 625591)]