20193728737

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31701301}}^1$

素因数の和:31701328

約数の個数: 12

約数和(自身を含む): 25297638996

約数和(自身を除く): 5103910259

約数列:

[1, 7, 13, 49, 91, 637, 31701301, 221909107, 412116913, 1553363749, 2884818391, 20193728737]

約数ペア:

[(1, 20193728737), (7, 2884818391), (13, 1553363749), (49, 412116913), (91, 221909107), (637, 31701301)]