20194991995

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{3557}}^1\times {\mathrm{8941}}^1$

素因数の和:12630

約数の個数: 16

約数和(自身を含む): 24434408448

約数和(自身を除く): 4239416453

約数列:

[1, 5, 127, 635, 3557, 8941, 17785, 44705, 451739, 1135507, 2258695, 5677535, 31803137, 159015685, 4038998399, 20194991995]

約数ペア:

[(1, 20194991995), (5, 4038998399), (127, 159015685), (635, 31803137), (3557, 5677535), (8941, 2258695), (17785, 1135507), (44705, 451739)]