20115865010

素因数分解:

$2^1\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1974079}}^1$

素因数の和:1975105

約数の個数: 16

約数和(自身を含む): 36244108800

約数和(自身を除く): 16128243790

約数列:

[1, 2, 5, 10, 1019, 2038, 5095, 10190, 1974079, 3948158, 9870395, 19740790, 2011586501, 4023173002, 10057932505, 20115865010]

約数ペア:

[(1, 20115865010), (2, 10057932505), (5, 4023173002), (10, 2011586501), (1019, 19740790), (2038, 9870395), (5095, 3948158), (10190, 1974079)]