20178570925

素因数分解:

$5^2\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{54269}}^1$

素因数の和:54525

約数の個数: 24

約数和(自身を含む): 25437434400

約数和(自身を除く): 5258863475

約数列:

[1, 5, 25, 107, 139, 535, 695, 2675, 3475, 14873, 54269, 74365, 271345, 371825, 1356725, 5806783, 7543391, 29033915, 37716955, 145169575, 188584775, 807142837, 4035714185, 20178570925]

約数ペア:

[(1, 20178570925), (5, 4035714185), (25, 807142837), (107, 188584775), (139, 145169575), (535, 37716955), (695, 29033915), (2675, 7543391), (3475, 5806783), (14873, 1356725), (54269, 371825), (74365, 271345)]