20279970

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25037}}^1$

素因数の和:25056

約数の個数: 40

約数和(自身を含む): 54532764

約数和(自身を除く): 34252794

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25037, 50074, 75111, 125185, 150222, 225333, 250370, 375555, 450666, 675999, 751110, 1126665, 1351998, 2027997, 2253330, 3379995, 4055994, 6759990, 10139985, 20279970]

約数ペア:

[(1, 20279970), (2, 10139985), (3, 6759990), (5, 4055994), (6, 3379995), (9, 2253330), (10, 2027997), (15, 1351998), (18, 1126665), (27, 751110), (30, 675999), (45, 450666), (54, 375555), (81, 250370), (90, 225333), (135, 150222), (162, 125185), (270, 75111), (405, 50074), (810, 25037)]