20298421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 24507360

約数和(自身を除く): 4208939

約数列:

[1, 11, 13, 61, 143, 169, 179, 671, 793, 1859, 1969, 2327, 8723, 10309, 10919, 25597, 30251, 113399, 120109, 141947, 332761, 1561417, 1845311, 20298421]

約数ペア:

[(1, 20298421), (11, 1845311), (13, 1561417), (61, 332761), (143, 141947), (169, 120109), (179, 113399), (671, 30251), (793, 25597), (1859, 10919), (1969, 10309), (2327, 8723)]