20455810

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 38195712

約数和(自身を除く): 17739902

約数列:

[1, 2, 5, 10, 47, 71, 94, 142, 235, 355, 470, 613, 710, 1226, 3065, 3337, 6130, 6674, 16685, 28811, 33370, 43523, 57622, 87046, 144055, 217615, 288110, 435230, 2045581, 4091162, 10227905, 20455810]

約数ペア:

[(1, 20455810), (2, 10227905), (5, 4091162), (10, 2045581), (47, 435230), (71, 288110), (94, 217615), (142, 144055), (235, 87046), (355, 57622), (470, 43523), (613, 33370), (710, 28811), (1226, 16685), (3065, 6674), (3337, 6130)]