20128818

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{145861}}^1$

素因数の和:145889

約数の個数: 16

約数和(自身を含む): 42008256

約数和(自身を除く): 21879438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 145861, 291722, 437583, 875166, 3354803, 6709606, 10064409, 20128818]

約数ペア:

[(1, 20128818), (2, 10064409), (3, 6709606), (6, 3354803), (23, 875166), (46, 437583), (69, 291722), (138, 145861)]