20511787

素因数分解:

${\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:326

約数の個数: 16

約数和(自身を含む): 22032000

約数和(自身を除く): 1520213

約数列:

[1, 29, 47, 101, 149, 1363, 2929, 4321, 4747, 7003, 15049, 137663, 203087, 436421, 707303, 20511787]

約数ペア:

[(1, 20511787), (29, 707303), (47, 436421), (101, 203087), (149, 137663), (1363, 15049), (2929, 7003), (4321, 4747)]