20023506

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 24792174

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 139, 151, 159, 278, 302, 318, 417, 453, 477, 834, 906, 954, 1251, 1359, 2502, 2718, 7367, 8003, 14734, 16006, 20989, 22101, 24009, 41978, 44202, 48018, 62967, 66303, 72027, 125934, 132606, 144054, 188901, 377802, 1112417, 2224834, 3337251, 6674502, 10011753, 20023506]

約数ペア:

[(1, 20023506), (2, 10011753), (3, 6674502), (6, 3337251), (9, 2224834), (18, 1112417), (53, 377802), (106, 188901), (139, 144054), (151, 132606), (159, 125934), (278, 72027), (302, 66303), (318, 62967), (417, 48018), (453, 44202), (477, 41978), (834, 24009), (906, 22101), (954, 20989), (1251, 16006), (1359, 14734), (2502, 8003), (2718, 7367)]