20238065980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91991209}}^1$

素因数の和:91991229

約数の個数: 24

約数和(自身を含む): 46363569840

約数和(自身を除く): 26125503860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91991209, 183982418, 367964836, 459956045, 919912090, 1011903299, 1839824180, 2023806598, 4047613196, 5059516495, 10119032990, 20238065980]

約数ペア:

[(1, 20238065980), (2, 10119032990), (4, 5059516495), (5, 4047613196), (10, 2023806598), (11, 1839824180), (20, 1011903299), (22, 919912090), (44, 459956045), (55, 367964836), (110, 183982418), (220, 91991209)]