20462589

素因数分解:

$3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{857}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 33908160

約数和(自身を除く): 13445571

約数列:

[1, 3, 7, 9, 21, 63, 379, 857, 1137, 2571, 2653, 3411, 5999, 7713, 7959, 17997, 23877, 53991, 324803, 974409, 2273621, 2923227, 6820863, 20462589]

約数ペア:

[(1, 20462589), (3, 6820863), (7, 2923227), (9, 2273621), (21, 974409), (63, 324803), (379, 53991), (857, 23877), (1137, 17997), (2571, 7959), (2653, 7713), (3411, 5999)]