20290848872

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11688277}}^1$

素因数の和:11688321

約数の個数: 32

約数和(自身を含む): 44882987520

約数和(自身を除く): 24592138648

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11688277, 23376554, 46753108, 81817939, 93506216, 163635878, 327271756, 362336587, 654543512, 724673174, 1449346348, 2536356109, 2898692696, 5072712218, 10145424436, 20290848872]

約数ペア:

[(1, 20290848872), (2, 10145424436), (4, 5072712218), (7, 2898692696), (8, 2536356109), (14, 1449346348), (28, 724673174), (31, 654543512), (56, 362336587), (62, 327271756), (124, 163635878), (217, 93506216), (248, 81817939), (434, 46753108), (868, 23376554), (1736, 11688277)]