20258944

素因数分解:

$2^7\times {\mathrm{163}}^1\times {\mathrm{971}}^1$

素因数の和:1148

約数の個数: 32

約数和(自身を含む): 40649040

約数和(自身を除く): 20390096

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 326, 652, 971, 1304, 1942, 2608, 3884, 5216, 7768, 10432, 15536, 20864, 31072, 62144, 124288, 158273, 316546, 633092, 1266184, 2532368, 5064736, 10129472, 20258944]

約数ペア:

[(1, 20258944), (2, 10129472), (4, 5064736), (8, 2532368), (16, 1266184), (32, 633092), (64, 316546), (128, 158273), (163, 124288), (326, 62144), (652, 31072), (971, 20864), (1304, 15536), (1942, 10432), (2608, 7768), (3884, 5216)]