20880033

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 28377216

約数和(自身を除く): 7497183

約数列:

[1, 3, 101, 137, 303, 411, 503, 1509, 13837, 41511, 50803, 68911, 152409, 206733, 6960011, 20880033]

約数ペア:

[(1, 20880033), (3, 6960011), (101, 206733), (137, 152409), (303, 68911), (411, 50803), (503, 41511), (1509, 13837)]