20167860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7817}}^1$

素因数の和:7872

約数の個数: 48

約数和(自身を含む): 57790656

約数和(自身を除く): 37622796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7817, 15634, 23451, 31268, 39085, 46902, 78170, 93804, 117255, 156340, 234510, 336131, 469020, 672262, 1008393, 1344524, 1680655, 2016786, 3361310, 4033572, 5041965, 6722620, 10083930, 20167860]

約数ペア:

[(1, 20167860), (2, 10083930), (3, 6722620), (4, 5041965), (5, 4033572), (6, 3361310), (10, 2016786), (12, 1680655), (15, 1344524), (20, 1008393), (30, 672262), (43, 469020), (60, 336131), (86, 234510), (129, 156340), (172, 117255), (215, 93804), (258, 78170), (430, 46902), (516, 39085), (645, 31268), (860, 23451), (1290, 15634), (2580, 7817)]