20280852

素因数分解:

$2^2\times 3^2\times {\mathrm{563357}}^1$

素因数の和:563367

約数の個数: 18

約数和(自身を含む): 51265578

約数和(自身を除く): 30984726

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 563357, 1126714, 1690071, 2253428, 3380142, 5070213, 6760284, 10140426, 20280852]

約数ペア:

[(1, 20280852), (2, 10140426), (3, 6760284), (4, 5070213), (6, 3380142), (9, 2253428), (12, 1690071), (18, 1126714), (36, 563357)]