20096072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 22239928

約数列:

[1, 2, 4, 8, 19, 29, 38, 47, 58, 76, 94, 97, 116, 152, 188, 194, 232, 376, 388, 551, 776, 893, 1102, 1363, 1786, 1843, 2204, 2726, 2813, 3572, 3686, 4408, 4559, 5452, 5626, 7144, 7372, 9118, 10904, 11252, 14744, 18236, 22504, 25897, 36472, 51794, 53447, 86621, 103588, 106894, 132211, 173242, 207176, 213788, 264422, 346484, 427576, 528844, 692968, 1057688, 2512009, 5024018, 10048036, 20096072]

約数ペア:

[(1, 20096072), (2, 10048036), (4, 5024018), (8, 2512009), (19, 1057688), (29, 692968), (38, 528844), (47, 427576), (58, 346484), (76, 264422), (94, 213788), (97, 207176), (116, 173242), (152, 132211), (188, 106894), (194, 103588), (232, 86621), (376, 53447), (388, 51794), (551, 36472), (776, 25897), (893, 22504), (1102, 18236), (1363, 14744), (1786, 11252), (1843, 10904), (2204, 9118), (2726, 7372), (2813, 7144), (3572, 5626), (3686, 5452), (4408, 4559)]