20533188

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3061}}^1$

素因数の和:3124

約数の個数: 48

約数和(自身を含む): 52813376

約数和(自身を除く): 32280188

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 3061, 3354, 6122, 6708, 9183, 12244, 18366, 36732, 39793, 79586, 119379, 131623, 159172, 238758, 263246, 394869, 477516, 526492, 789738, 1579476, 1711099, 3422198, 5133297, 6844396, 10266594, 20533188]

約数ペア:

[(1, 20533188), (2, 10266594), (3, 6844396), (4, 5133297), (6, 3422198), (12, 1711099), (13, 1579476), (26, 789738), (39, 526492), (43, 477516), (52, 394869), (78, 263246), (86, 238758), (129, 159172), (156, 131623), (172, 119379), (258, 79586), (516, 39793), (559, 36732), (1118, 18366), (1677, 12244), (2236, 9183), (3061, 6708), (3354, 6122)]