12121220

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1831}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 25545408

約数和(自身を除く): 13424188

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 1831, 3310, 3662, 6620, 7324, 9155, 18310, 36620, 606061, 1212122, 2424244, 3030305, 6060610, 12121220]

約数ペア:

[(1, 12121220), (2, 6060610), (4, 3030305), (5, 2424244), (10, 1212122), (20, 606061), (331, 36620), (662, 18310), (1324, 9155), (1655, 7324), (1831, 6620), (3310, 3662)]