20513922

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23909}}^1$

素因数の和:23938

約数の個数: 32

約数和(自身を含む): 48202560

約数和(自身を除く): 27688638

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 23909, 47818, 71727, 143454, 262999, 310817, 525998, 621634, 788997, 932451, 1577994, 1864902, 3418987, 6837974, 10256961, 20513922]

約数ペア:

[(1, 20513922), (2, 10256961), (3, 6837974), (6, 3418987), (11, 1864902), (13, 1577994), (22, 932451), (26, 788997), (33, 621634), (39, 525998), (66, 310817), (78, 262999), (143, 143454), (286, 71727), (429, 47818), (858, 23909)]