20982168

素因数分解:

$2^3\times 3^2\times {\mathrm{291419}}^1$

素因数の和:291431

約数の個数: 24

約数和(自身を含む): 56826900

約数和(自身を除く): 35844732

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 291419, 582838, 874257, 1165676, 1748514, 2331352, 2622771, 3497028, 5245542, 6994056, 10491084, 20982168]

約数ペア:

[(1, 20982168), (2, 10491084), (3, 6994056), (4, 5245542), (6, 3497028), (8, 2622771), (9, 2331352), (12, 1748514), (18, 1165676), (24, 874257), (36, 582838), (72, 291419)]