220187912

素因数分解:

$2^3\times 7^1\times {\mathrm{3931927}}^1$

素因数の和:3931940

約数の個数: 16

約数和(自身を含む): 471831360

約数和(自身を除く): 251643448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3931927, 7863854, 15727708, 27523489, 31455416, 55046978, 110093956, 220187912]

約数ペア:

[(1, 220187912), (2, 110093956), (4, 55046978), (7, 31455416), (8, 27523489), (14, 15727708), (28, 7863854), (56, 3931927)]