20978856

素因数分解:

$2^3\times 3^2\times {\mathrm{291373}}^1$

素因数の和:291385

約数の個数: 24

約数和(自身を含む): 56817930

約数和(自身を除く): 35839074

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 291373, 582746, 874119, 1165492, 1748238, 2330984, 2622357, 3496476, 5244714, 6992952, 10489428, 20978856]

約数ペア:

[(1, 20978856), (2, 10489428), (3, 6992952), (4, 5244714), (6, 3496476), (8, 2622357), (9, 2330984), (12, 1748238), (18, 1165492), (24, 874119), (36, 582746), (72, 291373)]