20393394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10331}}^1$

素因数の和:10390

約数の個数: 32

約数和(自身を含む): 47609856

約数和(自身を除く): 27216462

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 10331, 20662, 30993, 61986, 72317, 144634, 216951, 433902, 485557, 971114, 1456671, 2913342, 3398899, 6797798, 10196697, 20393394]

約数ペア:

[(1, 20393394), (2, 10196697), (3, 6797798), (6, 3398899), (7, 2913342), (14, 1456671), (21, 971114), (42, 485557), (47, 433902), (94, 216951), (141, 144634), (282, 72317), (329, 61986), (658, 30993), (987, 20662), (1974, 10331)]