20320518

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{63901}}^1$

素因数の和:63959

約数の個数: 16

約数和(自身を含む): 41408496

約数和(自身を除く): 21087978

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 63901, 127802, 191703, 383406, 3386753, 6773506, 10160259, 20320518]

約数ペア:

[(1, 20320518), (2, 10160259), (3, 6773506), (6, 3386753), (53, 383406), (106, 191703), (159, 127802), (318, 63901)]