20680848

素因数分解:

$2^4\times 3^2\times {\mathrm{143617}}^1$

素因数の和:143631

約数の個数: 30

約数和(自身を含む): 57878054

約数和(自身を除く): 37197206

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 143617, 287234, 430851, 574468, 861702, 1148936, 1292553, 1723404, 2297872, 2585106, 3446808, 5170212, 6893616, 10340424, 20680848]

約数ペア:

[(1, 20680848), (2, 10340424), (3, 6893616), (4, 5170212), (6, 3446808), (8, 2585106), (9, 2297872), (12, 1723404), (16, 1292553), (18, 1148936), (24, 861702), (36, 574468), (48, 430851), (72, 287234), (144, 143617)]