20901222

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{19681}}^1$

素因数の和:19748

約数の個数: 24

約数和(自身を含む): 46055880

約数和(自身を除く): 25154658

約数列:

[1, 2, 3, 6, 9, 18, 59, 118, 177, 354, 531, 1062, 19681, 39362, 59043, 118086, 177129, 354258, 1161179, 2322358, 3483537, 6967074, 10450611, 20901222]

約数ペア:

[(1, 20901222), (2, 10450611), (3, 6967074), (6, 3483537), (9, 2322358), (18, 1161179), (59, 354258), (118, 177129), (177, 118086), (354, 59043), (531, 39362), (1062, 19681)]