20601339

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 33196800

約数和(自身を除く): 12595461

約数列:

[1, 3, 11, 19, 29, 33, 57, 87, 103, 121, 209, 309, 319, 363, 551, 627, 957, 1133, 1653, 1957, 2299, 2987, 3399, 3509, 5871, 6061, 6897, 8961, 10527, 12463, 18183, 21527, 32857, 37389, 56753, 64581, 66671, 98571, 170259, 200013, 236797, 361427, 624283, 710391, 1084281, 1872849, 6867113, 20601339]

約数ペア:

[(1, 20601339), (3, 6867113), (11, 1872849), (19, 1084281), (29, 710391), (33, 624283), (57, 361427), (87, 236797), (103, 200013), (121, 170259), (209, 98571), (309, 66671), (319, 64581), (363, 56753), (551, 37389), (627, 32857), (957, 21527), (1133, 18183), (1653, 12463), (1957, 10527), (2299, 8961), (2987, 6897), (3399, 6061), (3509, 5871)]