20920956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{249059}}^1$

素因数の和:249073

約数の個数: 24

約数和(自身を含む): 55789440

約数和(自身を除く): 34868484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 249059, 498118, 747177, 996236, 1494354, 1743413, 2988708, 3486826, 5230239, 6973652, 10460478, 20920956]

約数ペア:

[(1, 20920956), (2, 10460478), (3, 6973652), (4, 5230239), (6, 3486826), (7, 2988708), (12, 1743413), (14, 1494354), (21, 996236), (28, 747177), (42, 498118), (84, 249059)]