30782020

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{3571}}^1$

素因数の和:4011

約数の個数: 24

約数和(自身を含む): 64810368

約数和(自身を除く): 34028348

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 3571, 4310, 7142, 8620, 14284, 17855, 35710, 71420, 1539101, 3078202, 6156404, 7695505, 15391010, 30782020]

約数ペア:

[(1, 30782020), (2, 15391010), (4, 7695505), (5, 6156404), (10, 3078202), (20, 1539101), (431, 71420), (862, 35710), (1724, 17855), (2155, 14284), (3571, 8620), (4310, 7142)]