20584701

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{359}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 31224960

約数和(自身を除く): 10640259

約数列:

[1, 3, 9, 23, 69, 207, 277, 359, 831, 1077, 2493, 3231, 6371, 8257, 19113, 24771, 57339, 74313, 99443, 298329, 894987, 2287189, 6861567, 20584701]

約数ペア:

[(1, 20584701), (3, 6861567), (9, 2287189), (23, 894987), (69, 298329), (207, 99443), (277, 74313), (359, 57339), (831, 24771), (1077, 19113), (2493, 8257), (3231, 6371)]