20976171

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1607}}^1$

素因数の和:1858

約数の個数: 16

約数和(自身を含む): 29587200

約数和(自身を除く): 8611029

約数列:

[1, 3, 19, 57, 229, 687, 1607, 4351, 4821, 13053, 30533, 91599, 368003, 1104009, 6992057, 20976171]

約数ペア:

[(1, 20976171), (3, 6992057), (19, 1104009), (57, 368003), (229, 91599), (687, 30533), (1607, 13053), (4351, 4821)]