20490828

素因数分解:

$2^2\times 3^1\times {\mathrm{569}}^1\times {\mathrm{3001}}^1$

素因数の和:3577

約数の個数: 24

約数和(自身を含む): 47911920

約数和(自身を除く): 27421092

約数列:

[1, 2, 3, 4, 6, 12, 569, 1138, 1707, 2276, 3001, 3414, 6002, 6828, 9003, 12004, 18006, 36012, 1707569, 3415138, 5122707, 6830276, 10245414, 20490828]

約数ペア:

[(1, 20490828), (2, 10245414), (3, 6830276), (4, 5122707), (6, 3415138), (12, 1707569), (569, 36012), (1138, 18006), (1707, 12004), (2276, 9003), (3001, 6828), (3414, 6002)]