20437974

素因数分解:

$2^1\times 3^3\times {\mathrm{461}}^1\times {\mathrm{821}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 45571680

約数和(自身を除く): 25133706

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 461, 821, 922, 1383, 1642, 2463, 2766, 4149, 4926, 7389, 8298, 12447, 14778, 22167, 24894, 44334, 378481, 756962, 1135443, 2270886, 3406329, 6812658, 10218987, 20437974]

約数ペア:

[(1, 20437974), (2, 10218987), (3, 6812658), (6, 3406329), (9, 2270886), (18, 1135443), (27, 756962), (54, 378481), (461, 44334), (821, 24894), (922, 22167), (1383, 14778), (1642, 12447), (2463, 8298), (2766, 7389), (4149, 4926)]