20977464

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20327}}^1$

素因数の和:20379

約数の個数: 32

約数和(自身を含む): 53665920

約数和(自身を除く): 32688456

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20327, 40654, 60981, 81308, 121962, 162616, 243924, 487848, 874061, 1748122, 2622183, 3496244, 5244366, 6992488, 10488732, 20977464]

約数ペア:

[(1, 20977464), (2, 10488732), (3, 6992488), (4, 5244366), (6, 3496244), (8, 2622183), (12, 1748122), (24, 874061), (43, 487848), (86, 243924), (129, 162616), (172, 121962), (258, 81308), (344, 60981), (516, 40654), (1032, 20327)]