20146487690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{1601}}^1$

素因数の和:2104

約数の個数: 96

約数和(自身を含む): 43004510928

約数和(自身を除く): 22858023238

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 421, 427, 490, 610, 842, 854, 1601, 2105, 2135, 2947, 2989, 3202, 4210, 4270, 5894, 5978, 8005, 11207, 14735, 14945, 16010, 20629, 22414, 25681, 29470, 29890, 41258, 51362, 56035, 78449, 97661, 103145, 112070, 128405, 156898, 179767, 195322, 206290, 256810, 359534, 392245, 488305, 674021, 683627, 784490, 898835, 976610, 1258369, 1348042, 1367254, 1797670, 2516738, 3370105, 3418135, 4718147, 4785389, 6291845, 6740210, 6836270, 9436294, 9570778, 12583690, 23590735, 23926945, 33027029, 41115281, 47181470, 47853890, 66054058, 82230562, 165135145, 205576405, 287806967, 330270290, 411152810, 575613934, 1439034835, 2014648769, 2878069670, 4029297538, 10073243845, 20146487690]

約数ペア:

[(1, 20146487690), (2, 10073243845), (5, 4029297538), (7, 2878069670), (10, 2014648769), (14, 1439034835), (35, 575613934), (49, 411152810), (61, 330270290), (70, 287806967), (98, 205576405), (122, 165135145), (245, 82230562), (305, 66054058), (421, 47853890), (427, 47181470), (490, 41115281), (610, 33027029), (842, 23926945), (854, 23590735), (1601, 12583690), (2105, 9570778), (2135, 9436294), (2947, 6836270), (2989, 6740210), (3202, 6291845), (4210, 4785389), (4270, 4718147), (5894, 3418135), (5978, 3370105), (8005, 2516738), (11207, 1797670), (14735, 1367254), (14945, 1348042), (16010, 1258369), (20629, 976610), (22414, 898835), (25681, 784490), (29470, 683627), (29890, 674021), (41258, 488305), (51362, 392245), (56035, 359534), (78449, 256810), (97661, 206290), (103145, 195322), (112070, 179767), (128405, 156898)]