20553796

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1229}}^1$

素因数の和:1383

約数の個数: 24

約数和(自身を含む): 37298520

約数和(自身を除く): 16744724

約数列:

[1, 2, 4, 37, 74, 113, 148, 226, 452, 1229, 2458, 4181, 4916, 8362, 16724, 45473, 90946, 138877, 181892, 277754, 555508, 5138449, 10276898, 20553796]

約数ペア:

[(1, 20553796), (2, 10276898), (4, 5138449), (37, 555508), (74, 277754), (113, 181892), (148, 138877), (226, 90946), (452, 45473), (1229, 16724), (2458, 8362), (4181, 4916)]