20853832820

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3964607}}^1$

素因数の和:3964879

約数の個数: 24

約数和(自身を含む): 43959573504

約数和(自身を除く): 23105740684

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 3964607, 7929214, 15858428, 19823035, 39646070, 79292140, 1042691641, 2085383282, 4170766564, 5213458205, 10426916410, 20853832820]

約数ペア:

[(1, 20853832820), (2, 10426916410), (4, 5213458205), (5, 4170766564), (10, 2085383282), (20, 1042691641), (263, 79292140), (526, 39646070), (1052, 19823035), (1315, 15858428), (2630, 7929214), (5260, 3964607)]