20436819

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12781}}^1$

素因数の和:12838

約数の個数: 16

約数和(自身を含む): 30063264

約数和(自身を除く): 9626445

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 12781, 38343, 166153, 498459, 524021, 1572063, 6812273, 20436819]

約数ペア:

[(1, 20436819), (3, 6812273), (13, 1572063), (39, 524021), (41, 498459), (123, 166153), (533, 38343), (1599, 12781)]