20871036164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4351759}}^1$

素因数の和:4351883

約数の個数: 24

約数和(自身を含む): 40210262400

約数和(自身を除く): 19339226236

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4796, 4351759, 8703518, 17407036, 47869349, 95738698, 191477396, 474341731, 948683462, 1897366924, 5217759041, 10435518082, 20871036164]

約数ペア:

[(1, 20871036164), (2, 10435518082), (4, 5217759041), (11, 1897366924), (22, 948683462), (44, 474341731), (109, 191477396), (218, 95738698), (436, 47869349), (1199, 17407036), (2398, 8703518), (4796, 4351759)]