20877505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{2273}}^1$

素因数の和:2456

約数の個数: 16

約数和(自身を含む): 27506304

約数和(自身を除く): 6628799

約数列:

[1, 5, 11, 55, 167, 835, 1837, 2273, 9185, 11365, 25003, 125015, 379591, 1897955, 4175501, 20877505]

約数ペア:

[(1, 20877505), (5, 4175501), (11, 1897955), (55, 379591), (167, 125015), (835, 25003), (1837, 11365), (2273, 9185)]