20769485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4243}}^1$

素因数の和:4348

約数の個数: 16

約数和(自身を含む): 27501120

約数和(自身を除く): 6731635

約数列:

[1, 5, 11, 55, 89, 445, 979, 4243, 4895, 21215, 46673, 233365, 377627, 1888135, 4153897, 20769485]

約数ペア:

[(1, 20769485), (5, 4153897), (11, 1888135), (55, 377627), (89, 233365), (445, 46673), (979, 21215), (4243, 4895)]