86018020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{390991}}^1$

素因数の和:391011

約数の個数: 24

約数和(自身を含む): 197059968

約数和(自身を除く): 111041948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 390991, 781982, 1563964, 1954955, 3909910, 4300901, 7819820, 8601802, 17203604, 21504505, 43009010, 86018020]

約数ペア:

[(1, 86018020), (2, 43009010), (4, 21504505), (5, 17203604), (10, 8601802), (11, 7819820), (20, 4300901), (22, 3909910), (44, 1954955), (55, 1563964), (110, 781982), (220, 390991)]