20157844

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 42594048

約数和(自身を除く): 22436204

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 113, 161, 226, 277, 322, 452, 554, 644, 791, 1108, 1582, 1939, 2599, 3164, 3878, 5198, 6371, 7756, 10396, 12742, 18193, 25484, 31301, 36386, 44597, 62602, 72772, 89194, 125204, 178388, 219107, 438214, 719923, 876428, 1439846, 2879692, 5039461, 10078922, 20157844]

約数ペア:

[(1, 20157844), (2, 10078922), (4, 5039461), (7, 2879692), (14, 1439846), (23, 876428), (28, 719923), (46, 438214), (92, 219107), (113, 178388), (161, 125204), (226, 89194), (277, 72772), (322, 62602), (452, 44597), (554, 36386), (644, 31301), (791, 25484), (1108, 18193), (1582, 12742), (1939, 10396), (2599, 7756), (3164, 6371), (3878, 5198)]