20153171672

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81262789}}^1$

素因数の和:81262826

約数の個数: 16

約数和(自身を含む): 39006139200

約数和(自身を除く): 18852967528

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81262789, 162525578, 325051156, 650102312, 2519146459, 5038292918, 10076585836, 20153171672]

約数ペア:

[(1, 20153171672), (2, 10076585836), (4, 5038292918), (8, 2519146459), (31, 650102312), (62, 325051156), (124, 162525578), (248, 81262789)]