20369986

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 18700094

約数列:

[1, 2, 7, 13, 14, 26, 49, 59, 91, 98, 118, 182, 271, 413, 542, 637, 767, 826, 1274, 1534, 1897, 2891, 3523, 3794, 5369, 5782, 7046, 10738, 13279, 15989, 24661, 26558, 31978, 37583, 49322, 75166, 111923, 172627, 207857, 223846, 345254, 415714, 783461, 1454999, 1566922, 2909998, 10184993, 20369986]

約数ペア:

[(1, 20369986), (2, 10184993), (7, 2909998), (13, 1566922), (14, 1454999), (26, 783461), (49, 415714), (59, 345254), (91, 223846), (98, 207857), (118, 172627), (182, 111923), (271, 75166), (413, 49322), (542, 37583), (637, 31978), (767, 26558), (826, 24661), (1274, 15989), (1534, 13279), (1897, 10738), (2891, 7046), (3523, 5782), (3794, 5369)]