19952075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5581}}^1$

素因数の和:5615

約数の個数: 24

約数和(自身を含む): 29071056

約数和(自身を除く): 9118981

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5581, 27905, 61391, 72553, 139525, 306955, 362765, 798083, 1534775, 1813825, 3990415, 19952075]

約数ペア:

[(1, 19952075), (5, 3990415), (11, 1813825), (13, 1534775), (25, 798083), (55, 362765), (65, 306955), (143, 139525), (275, 72553), (325, 61391), (715, 27905), (3575, 5581)]