20197780718

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1\times {\mathrm{347411}}^1$

素因数の和:348163

約数の個数: 16

約数和(自身を含む): 31079477520

約数和(自身を除く): 10881696802

約数列:

[1, 2, 41, 82, 709, 1418, 29069, 58138, 347411, 694822, 14243851, 28487702, 246314399, 492628798, 10098890359, 20197780718]

約数ペア:

[(1, 20197780718), (2, 10098890359), (41, 492628798), (82, 246314399), (709, 28487702), (1418, 14243851), (29069, 694822), (58138, 347411)]