20258978845

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1373}}^1\times {\mathrm{4093}}^1$

素因数の和:5581

約数の個数: 32

約数和(自身を含む): 28080778752

約数和(自身を除く): 7821799907

約数列:

[1, 5, 7, 35, 103, 515, 721, 1373, 3605, 4093, 6865, 9611, 20465, 28651, 48055, 141419, 143255, 421579, 707095, 989933, 2107895, 2951053, 4949665, 5619689, 14755265, 28098445, 39337823, 196689115, 578827967, 2894139835, 4051795769, 20258978845]

約数ペア:

[(1, 20258978845), (5, 4051795769), (7, 2894139835), (35, 578827967), (103, 196689115), (515, 39337823), (721, 28098445), (1373, 14755265), (3605, 5619689), (4093, 4949665), (6865, 2951053), (9611, 2107895), (20465, 989933), (28651, 707095), (48055, 421579), (141419, 143255)]