20003204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1229}}^1$

素因数の和:1559

約数の個数: 24

約数和(自身を含む): 37849560

約数和(自身を除く): 17846356

約数列:

[1, 2, 4, 13, 26, 52, 313, 626, 1229, 1252, 2458, 4069, 4916, 8138, 15977, 16276, 31954, 63908, 384677, 769354, 1538708, 5000801, 10001602, 20003204]

約数ペア:

[(1, 20003204), (2, 10001602), (4, 5000801), (13, 1538708), (26, 769354), (52, 384677), (313, 63908), (626, 31954), (1229, 16276), (1252, 15977), (2458, 8138), (4069, 4916)]