20580451478

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{3571}}^1\times {\mathrm{20731}}^1$

素因数の和:24443

約数の個数: 16

約数和(自身を含む): 31102975680

約数和(自身を除く): 10522524202

約数列:

[1, 2, 139, 278, 3571, 7142, 20731, 41462, 496369, 992738, 2881609, 5763218, 74030401, 148060802, 10290225739, 20580451478]

約数ペア:

[(1, 20580451478), (2, 10290225739), (139, 148060802), (278, 74030401), (3571, 5763218), (7142, 2881609), (20731, 992738), (41462, 496369)]