20115333

素因数分解:

$3^2\times 7^2\times {\mathrm{45613}}^1$

素因数の和:45633

約数の個数: 18

約数和(自身を含む): 33799974

約数和(自身を除く): 13684641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 45613, 136839, 319291, 410517, 957873, 2235037, 2873619, 6705111, 20115333]

約数ペア:

[(1, 20115333), (3, 6705111), (7, 2873619), (9, 2235037), (21, 957873), (49, 410517), (63, 319291), (147, 136839), (441, 45613)]