20828496

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1151}}^1$

素因数の和:1204

約数の個数: 80

約数和(自身を含む): 59996160

約数和(自身を除く): 39167664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 39, 48, 52, 58, 78, 87, 104, 116, 156, 174, 208, 232, 312, 348, 377, 464, 624, 696, 754, 1131, 1151, 1392, 1508, 2262, 2302, 3016, 3453, 4524, 4604, 6032, 6906, 9048, 9208, 13812, 14963, 18096, 18416, 27624, 29926, 33379, 44889, 55248, 59852, 66758, 89778, 100137, 119704, 133516, 179556, 200274, 239408, 267032, 359112, 400548, 433927, 534064, 718224, 801096, 867854, 1301781, 1602192, 1735708, 2603562, 3471416, 5207124, 6942832, 10414248, 20828496]

約数ペア:

[(1, 20828496), (2, 10414248), (3, 6942832), (4, 5207124), (6, 3471416), (8, 2603562), (12, 1735708), (13, 1602192), (16, 1301781), (24, 867854), (26, 801096), (29, 718224), (39, 534064), (48, 433927), (52, 400548), (58, 359112), (78, 267032), (87, 239408), (104, 200274), (116, 179556), (156, 133516), (174, 119704), (208, 100137), (232, 89778), (312, 66758), (348, 59852), (377, 55248), (464, 44889), (624, 33379), (696, 29926), (754, 27624), (1131, 18416), (1151, 18096), (1392, 14963), (1508, 13812), (2262, 9208), (2302, 9048), (3016, 6906), (3453, 6032), (4524, 4604)]