20012940790

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{719}}^1\times {\mathrm{10271}}^1$

素因数の和:11268

約数の個数: 32

約数和(自身を含む): 36210032640

約数和(自身を除く): 16197091850

約数列:

[1, 2, 5, 10, 271, 542, 719, 1355, 1438, 2710, 3595, 7190, 10271, 20542, 51355, 102710, 194849, 389698, 974245, 1948490, 2783441, 5566882, 7384849, 13917205, 14769698, 27834410, 36924245, 73848490, 2001294079, 4002588158, 10006470395, 20012940790]

約数ペア:

[(1, 20012940790), (2, 10006470395), (5, 4002588158), (10, 2001294079), (271, 73848490), (542, 36924245), (719, 27834410), (1355, 14769698), (1438, 13917205), (2710, 7384849), (3595, 5566882), (7190, 2783441), (10271, 1948490), (20542, 974245), (51355, 389698), (102710, 194849)]