20468718

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{7243}}^1$

素因数の和:7408

約数の個数: 24

約数和(自身を含む): 44637528

約数和(自身を除く): 24168810

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 7243, 14486, 21729, 43458, 65187, 130374, 1137151, 2274302, 3411453, 6822906, 10234359, 20468718]

約数ペア:

[(1, 20468718), (2, 10234359), (3, 6822906), (6, 3411453), (9, 2274302), (18, 1137151), (157, 130374), (314, 65187), (471, 43458), (942, 21729), (1413, 14486), (2826, 7243)]