20626731

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{6211}}^1$

素因数の和:6264

約数の個数: 20

約数和(自身を含む): 31569384

約数和(自身を除く): 10942653

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 6211, 18633, 55899, 167697, 254651, 503091, 763953, 2291859, 6875577, 20626731]

約数ペア:

[(1, 20626731), (3, 6875577), (9, 2291859), (27, 763953), (41, 503091), (81, 254651), (123, 167697), (369, 55899), (1107, 18633), (3321, 6211)]