20801916

素因数分解:

$2^2\times 3^2\times {\mathrm{577831}}^1$

素因数の和:577841

約数の個数: 18

約数和(自身を含む): 52582712

約数和(自身を除く): 31780796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 577831, 1155662, 1733493, 2311324, 3466986, 5200479, 6933972, 10400958, 20801916]

約数ペア:

[(1, 20801916), (2, 10400958), (3, 6933972), (4, 5200479), (6, 3466986), (9, 2311324), (12, 1733493), (18, 1155662), (36, 577831)]