15948020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1021}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 37086336

約数和(自身を除く): 21138316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1021, 1420, 1562, 2042, 3124, 3905, 4084, 5105, 7810, 10210, 11231, 15620, 20420, 22462, 44924, 56155, 72491, 112310, 144982, 224620, 289964, 362455, 724910, 797401, 1449820, 1594802, 3189604, 3987005, 7974010, 15948020]

約数ペア:

[(1, 15948020), (2, 7974010), (4, 3987005), (5, 3189604), (10, 1594802), (11, 1449820), (20, 797401), (22, 724910), (44, 362455), (55, 289964), (71, 224620), (110, 144982), (142, 112310), (220, 72491), (284, 56155), (355, 44924), (710, 22462), (781, 20420), (1021, 15620), (1420, 11231), (1562, 10210), (2042, 7810), (3124, 5105), (3905, 4084)]