20737436

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^2$

素因数の和:246

約数の個数: 36

約数和(自身を含む): 39929400

約数和(自身を除く): 19191964

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 97, 116, 194, 388, 551, 1102, 1843, 2204, 2813, 3686, 5626, 7372, 9409, 11252, 18818, 37636, 53447, 106894, 178771, 213788, 272861, 357542, 545722, 715084, 1091444, 5184359, 10368718, 20737436]

約数ペア:

[(1, 20737436), (2, 10368718), (4, 5184359), (19, 1091444), (29, 715084), (38, 545722), (58, 357542), (76, 272861), (97, 213788), (116, 178771), (194, 106894), (388, 53447), (551, 37636), (1102, 18818), (1843, 11252), (2204, 9409), (2813, 7372), (3686, 5626)]