20189620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91771}}^1$

素因数の和:91791

約数の個数: 24

約数和(自身を含む): 46253088

約数和(自身を除く): 26063468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91771, 183542, 367084, 458855, 917710, 1009481, 1835420, 2018962, 4037924, 5047405, 10094810, 20189620]

約数ペア:

[(1, 20189620), (2, 10094810), (4, 5047405), (5, 4037924), (10, 2018962), (11, 1835420), (20, 1009481), (22, 917710), (44, 458855), (55, 367084), (110, 183542), (220, 91771)]