20007261110

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{386017}}^1$

素因数の和:386168

約数の個数: 32

約数和(自身を含む): 37020670272

約数和(自身を除く): 17013409162

約数列:

[1, 2, 5, 10, 71, 73, 142, 146, 355, 365, 710, 730, 5183, 10366, 25915, 51830, 386017, 772034, 1930085, 3860170, 27407207, 28179241, 54814414, 56358482, 137036035, 140896205, 274072070, 281792410, 2000726111, 4001452222, 10003630555, 20007261110]

約数ペア:

[(1, 20007261110), (2, 10003630555), (5, 4001452222), (10, 2000726111), (71, 281792410), (73, 274072070), (142, 140896205), (146, 137036035), (355, 56358482), (365, 54814414), (710, 28179241), (730, 27407207), (5183, 3860170), (10366, 1930085), (25915, 772034), (51830, 386017)]