20505770

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 38257488

約数和(自身を除く): 17751718

約数列:

[1, 2, 5, 10, 37, 74, 157, 185, 314, 353, 370, 706, 785, 1570, 1765, 3530, 5809, 11618, 13061, 26122, 29045, 55421, 58090, 65305, 110842, 130610, 277105, 554210, 2050577, 4101154, 10252885, 20505770]

約数ペア:

[(1, 20505770), (2, 10252885), (5, 4101154), (10, 2050577), (37, 554210), (74, 277105), (157, 130610), (185, 110842), (314, 65305), (353, 58090), (370, 55421), (706, 29045), (785, 26122), (1570, 13061), (1765, 11618), (3530, 5809)]