20481864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65647}}^1$

素因数の和:65669

約数の個数: 32

約数和(自身を含む): 55144320

約数和(自身を除く): 34662456

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65647, 131294, 196941, 262588, 393882, 525176, 787764, 853411, 1575528, 1706822, 2560233, 3413644, 5120466, 6827288, 10240932, 20481864]

約数ペア:

[(1, 20481864), (2, 10240932), (3, 6827288), (4, 5120466), (6, 3413644), (8, 2560233), (12, 1706822), (13, 1575528), (24, 853411), (26, 787764), (39, 525176), (52, 393882), (78, 262588), (104, 196941), (156, 131294), (312, 65647)]