20571873

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23893}}^1$

素因数の和:23944

約数の個数: 16

約数和(自身を含む): 32113536

約数和(自身を除く): 11541663

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23893, 71679, 167251, 501753, 979613, 2938839, 6857291, 20571873]

約数ペア:

[(1, 20571873), (3, 6857291), (7, 2938839), (21, 979613), (41, 501753), (123, 167251), (287, 71679), (861, 23893)]