20123132389

素因数分解:

${\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{1296343}}^1$

素因数の和:1296424

約数の個数: 12

約数和(自身を含む): 21731910816

約数和(自身を除く): 1608778427

約数列:

[1, 19, 43, 361, 817, 15523, 1296343, 24630517, 55742749, 467979823, 1059112231, 20123132389]

約数ペア:

[(1, 20123132389), (19, 1059112231), (43, 467979823), (361, 55742749), (817, 24630517), (15523, 1296343)]