20392816

素因数分解:

$2^4\times {\mathrm{523}}^1\times {\mathrm{2437}}^1$

素因数の和:2968

約数の個数: 20

約数和(自身を含む): 39602872

約数和(自身を除く): 19210056

約数列:

[1, 2, 4, 8, 16, 523, 1046, 2092, 2437, 4184, 4874, 8368, 9748, 19496, 38992, 1274551, 2549102, 5098204, 10196408, 20392816]

約数ペア:

[(1, 20392816), (2, 10196408), (4, 5098204), (8, 2549102), (16, 1274551), (523, 38992), (1046, 19496), (2092, 9748), (2437, 8368), (4184, 4874)]