20798664

素因数分解:

$2^3\times 3^1\times {\mathrm{523}}^1\times {\mathrm{1657}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 52127520

約数和(自身を除く): 31328856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 523, 1046, 1569, 1657, 2092, 3138, 3314, 4184, 4971, 6276, 6628, 9942, 12552, 13256, 19884, 39768, 866611, 1733222, 2599833, 3466444, 5199666, 6932888, 10399332, 20798664]

約数ペア:

[(1, 20798664), (2, 10399332), (3, 6932888), (4, 5199666), (6, 3466444), (8, 2599833), (12, 1733222), (24, 866611), (523, 39768), (1046, 19884), (1569, 13256), (1657, 12552), (2092, 9942), (3138, 6628), (3314, 6276), (4184, 4971)]