20512323064

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{4000063}}^1$

素因数の和:4000710

約数の個数: 16

約数和(自身を含む): 38520616320

約数和(自身を除く): 18008293256

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 5128, 4000063, 8000126, 16000252, 32000504, 2564040383, 5128080766, 10256161532, 20512323064]

約数ペア:

[(1, 20512323064), (2, 10256161532), (4, 5128080766), (8, 2564040383), (641, 32000504), (1282, 16000252), (2564, 8000126), (5128, 4000063)]