20643050

素因数分解:

$2^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{2281}}^1$

素因数の和:2474

約数の個数: 24

約数和(自身を含む): 38625132

約数和(自身を除く): 17982082

約数列:

[1, 2, 5, 10, 25, 50, 181, 362, 905, 1810, 2281, 4525, 4562, 9050, 11405, 22810, 57025, 114050, 412861, 825722, 2064305, 4128610, 10321525, 20643050]

約数ペア:

[(1, 20643050), (2, 10321525), (5, 4128610), (10, 2064305), (25, 825722), (50, 412861), (181, 114050), (362, 57025), (905, 22810), (1810, 11405), (2281, 9050), (4525, 4562)]