20719782

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{11867}}^1$

素因数の和:11972

約数の個数: 24

約数和(自身を含む): 45359496

約数和(自身を除く): 24639714

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 291, 582, 873, 1746, 11867, 23734, 35601, 71202, 106803, 213606, 1151099, 2302198, 3453297, 6906594, 10359891, 20719782]

約数ペア:

[(1, 20719782), (2, 10359891), (3, 6906594), (6, 3453297), (9, 2302198), (18, 1151099), (97, 213606), (194, 106803), (291, 71202), (582, 35601), (873, 23734), (1746, 11867)]