20687520986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{49491677}}^1$

素因数の和:49491709

約数の個数: 16

約数和(自身を含む): 35634008160

約数和(自身を除く): 14946487174

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 49491677, 98983354, 544408447, 940341863, 1088816894, 1880683726, 10343760493, 20687520986]

約数ペア:

[(1, 20687520986), (2, 10343760493), (11, 1880683726), (19, 1088816894), (22, 940341863), (38, 544408447), (209, 98983354), (418, 49491677)]