20456985

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{29017}}^1$

素因数の和:29072

約数の個数: 16

約数和(自身を含む): 33428736

約数和(自身を除く): 12971751

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 29017, 87051, 145085, 435255, 1363799, 4091397, 6818995, 20456985]

約数ペア:

[(1, 20456985), (3, 6818995), (5, 4091397), (15, 1363799), (47, 435255), (141, 145085), (235, 87051), (705, 29017)]