20018816

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{5393}}^1$

素因数の和:5436

約数の個数: 32

約数和(自身を含む): 41264100

約数和(自身を除く): 21245284

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1856, 3712, 5393, 10786, 21572, 43144, 86288, 156397, 172576, 312794, 345152, 625588, 690304, 1251176, 2502352, 5004704, 10009408, 20018816]

約数ペア:

[(1, 20018816), (2, 10009408), (4, 5004704), (8, 2502352), (16, 1251176), (29, 690304), (32, 625588), (58, 345152), (64, 312794), (116, 172576), (128, 156397), (232, 86288), (464, 43144), (928, 21572), (1856, 10786), (3712, 5393)]