20403717158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{1601}}^1$

素因数の和:1925

約数の個数: 64

約数和(自身を含む): 34880025600

約数和(自身を除く): 14476308442

約数列:

[1, 2, 11, 22, 41, 71, 82, 142, 199, 398, 451, 781, 902, 1562, 1601, 2189, 2911, 3202, 4378, 5822, 8159, 14129, 16318, 17611, 28258, 32021, 35222, 64042, 65641, 89749, 113671, 131282, 155419, 179498, 227342, 310838, 318599, 579289, 637198, 722051, 1158578, 1250381, 1444102, 2500762, 3504589, 4660511, 6372179, 7009178, 9321022, 12744358, 13062559, 22620529, 26125118, 45241058, 51265621, 102531242, 143688149, 248825819, 287376298, 497651638, 927441689, 1854883378, 10201858579, 20403717158]

約数ペア:

[(1, 20403717158), (2, 10201858579), (11, 1854883378), (22, 927441689), (41, 497651638), (71, 287376298), (82, 248825819), (142, 143688149), (199, 102531242), (398, 51265621), (451, 45241058), (781, 26125118), (902, 22620529), (1562, 13062559), (1601, 12744358), (2189, 9321022), (2911, 7009178), (3202, 6372179), (4378, 4660511), (5822, 3504589), (8159, 2500762), (14129, 1444102), (16318, 1250381), (17611, 1158578), (28258, 722051), (32021, 637198), (35222, 579289), (64042, 318599), (65641, 310838), (89749, 227342), (113671, 179498), (131282, 155419)]