20656430785

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{659}}^1\times {\mathrm{1429}}^1$

素因数の和:2241

約数の個数: 32

約数和(自身を含む): 25686460800

約数和(自身を除く): 5030030015

約数列:

[1, 5, 41, 107, 205, 535, 659, 1429, 3295, 4387, 7145, 21935, 27019, 58589, 70513, 135095, 152903, 292945, 352565, 764515, 941711, 2891033, 4708555, 6269023, 14455165, 31345115, 38610151, 100763077, 193050755, 503815385, 4131286157, 20656430785]

約数ペア:

[(1, 20656430785), (5, 4131286157), (41, 503815385), (107, 193050755), (205, 100763077), (535, 38610151), (659, 31345115), (1429, 14455165), (3295, 6269023), (4387, 4708555), (7145, 2891033), (21935, 941711), (27019, 764515), (58589, 352565), (70513, 292945), (135095, 152903)]