20694248

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{463}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 40200960

約数和(自身を除く): 19506712

約数列:

[1, 2, 4, 8, 37, 74, 148, 151, 296, 302, 463, 604, 926, 1208, 1852, 3704, 5587, 11174, 17131, 22348, 34262, 44696, 68524, 69913, 137048, 139826, 279652, 559304, 2586781, 5173562, 10347124, 20694248]

約数ペア:

[(1, 20694248), (2, 10347124), (4, 5173562), (8, 2586781), (37, 559304), (74, 279652), (148, 139826), (151, 137048), (296, 69913), (302, 68524), (463, 44696), (604, 34262), (926, 22348), (1208, 17131), (1852, 11174), (3704, 5587)]