20218673624

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{4201}}^1\times {\mathrm{11351}}^1$

素因数の和:15611

約数の個数: 32

約数和(自身を含む): 38637894240

約数和(自身を除く): 18419220616

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 4201, 8402, 11351, 16804, 22702, 33608, 45404, 90808, 222653, 445306, 601603, 890612, 1203206, 1781224, 2406412, 4812824, 47685551, 95371102, 190742204, 381484408, 2527334203, 5054668406, 10109336812, 20218673624]

約数ペア:

[(1, 20218673624), (2, 10109336812), (4, 5054668406), (8, 2527334203), (53, 381484408), (106, 190742204), (212, 95371102), (424, 47685551), (4201, 4812824), (8402, 2406412), (11351, 1781224), (16804, 1203206), (22702, 890612), (33608, 601603), (45404, 445306), (90808, 222653)]