20727477

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 30677400

約数和(自身を除く): 9949923

約数列:

[1, 3, 9, 89, 113, 229, 267, 339, 687, 801, 1017, 2061, 10057, 20381, 25877, 30171, 61143, 77631, 90513, 183429, 232893, 2303053, 6909159, 20727477]

約数ペア:

[(1, 20727477), (3, 6909159), (9, 2303053), (89, 232893), (113, 183429), (229, 90513), (267, 77631), (339, 61143), (687, 30171), (801, 25877), (1017, 20381), (2061, 10057)]