90638020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{411991}}^1$

素因数の和:412011

約数の個数: 24

約数和(自身を含む): 207643968

約数和(自身を除く): 117005948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 411991, 823982, 1647964, 2059955, 4119910, 4531901, 8239820, 9063802, 18127604, 22659505, 45319010, 90638020]

約数ペア:

[(1, 90638020), (2, 45319010), (4, 22659505), (5, 18127604), (10, 9063802), (11, 8239820), (20, 4531901), (22, 4119910), (44, 2059955), (55, 1647964), (110, 823982), (220, 411991)]