22178920

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2903}}^1$

素因数の和:3105

約数の個数: 32

約数和(自身を含む): 50181120

約数和(自身を除く): 28002200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2903, 3820, 5806, 7640, 11612, 14515, 23224, 29030, 58060, 116120, 554473, 1108946, 2217892, 2772365, 4435784, 5544730, 11089460, 22178920]

約数ペア:

[(1, 22178920), (2, 11089460), (4, 5544730), (5, 4435784), (8, 2772365), (10, 2217892), (20, 1108946), (40, 554473), (191, 116120), (382, 58060), (764, 29030), (955, 23224), (1528, 14515), (1910, 11612), (2903, 7640), (3820, 5806)]