20910456

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{5927}}^1$

素因数の和:5953

約数の個数: 72

約数和(自身を含む): 65889720

約数和(自身を除く): 44979264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 5927, 11854, 17781, 23708, 35562, 41489, 47416, 53343, 71124, 82978, 106686, 124467, 142248, 165956, 213372, 248934, 290423, 331912, 373401, 426744, 497868, 580846, 746802, 871269, 995736, 1161692, 1493604, 1742538, 2323384, 2613807, 2987208, 3485076, 5227614, 6970152, 10455228, 20910456]

約数ペア:

[(1, 20910456), (2, 10455228), (3, 6970152), (4, 5227614), (6, 3485076), (7, 2987208), (8, 2613807), (9, 2323384), (12, 1742538), (14, 1493604), (18, 1161692), (21, 995736), (24, 871269), (28, 746802), (36, 580846), (42, 497868), (49, 426744), (56, 373401), (63, 331912), (72, 290423), (84, 248934), (98, 213372), (126, 165956), (147, 142248), (168, 124467), (196, 106686), (252, 82978), (294, 71124), (392, 53343), (441, 47416), (504, 41489), (588, 35562), (882, 23708), (1176, 17781), (1764, 11854), (3528, 5927)]