20698552

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4153}}^1$

素因数の和:4255

約数の個数: 32

約数和(自身を含む): 44863200

約数和(自身を除く): 24164648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4153, 4984, 8306, 16612, 29071, 33224, 58142, 116284, 232568, 369617, 739234, 1478468, 2587319, 2956936, 5174638, 10349276, 20698552]

約数ペア:

[(1, 20698552), (2, 10349276), (4, 5174638), (7, 2956936), (8, 2587319), (14, 1478468), (28, 739234), (56, 369617), (89, 232568), (178, 116284), (356, 58142), (623, 33224), (712, 29071), (1246, 16612), (2492, 8306), (4153, 4984)]