20909844

素因数分解:

$2^2\times 3^2\times {\mathrm{181}}^1\times {\mathrm{3209}}^1$

素因数の和:3400

約数の個数: 36

約数和(自身を含む): 53164020

約数和(自身を除く): 32254176

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 181, 362, 543, 724, 1086, 1629, 2172, 3209, 3258, 6418, 6516, 9627, 12836, 19254, 28881, 38508, 57762, 115524, 580829, 1161658, 1742487, 2323316, 3484974, 5227461, 6969948, 10454922, 20909844]

約数ペア:

[(1, 20909844), (2, 10454922), (3, 6969948), (4, 5227461), (6, 3484974), (9, 2323316), (12, 1742487), (18, 1161658), (36, 580829), (181, 115524), (362, 57762), (543, 38508), (724, 28881), (1086, 19254), (1629, 12836), (2172, 9627), (3209, 6516), (3258, 6418)]