20658370325

素因数分解:

$5^2\times {\mathrm{283}}^1\times {\mathrm{647}}^1\times {\mathrm{4513}}^1$

素因数の和:5453

約数の個数: 24

約数和(自身を含む): 25752333888

約数和(自身を除く): 5093963563

約数列:

[1, 5, 25, 283, 647, 1415, 3235, 4513, 7075, 16175, 22565, 112825, 183101, 915505, 1277179, 2919911, 4577525, 6385895, 14599555, 31929475, 72997775, 826334813, 4131674065, 20658370325]

約数ペア:

[(1, 20658370325), (5, 4131674065), (25, 826334813), (283, 72997775), (647, 31929475), (1415, 14599555), (3235, 6385895), (4513, 4577525), (7075, 2919911), (16175, 1277179), (22565, 915505), (112825, 183101)]