20111644

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5483}}^1$

素因数の和:5625

約数の個数: 24

約数和(自身を含む): 40537728

約数和(自身を除く): 20426084

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5483, 10966, 21932, 38381, 76762, 153524, 718273, 1436546, 2873092, 5027911, 10055822, 20111644]

約数ペア:

[(1, 20111644), (2, 10055822), (4, 5027911), (7, 2873092), (14, 1436546), (28, 718273), (131, 153524), (262, 76762), (524, 38381), (917, 21932), (1834, 10966), (3668, 5483)]