8889806020

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1342871}}^1$

素因数の和:1343211

約数の個数: 24

約数和(自身を含む): 18725007168

約数和(自身を除く): 9835201148

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 1342871, 2685742, 5371484, 6714355, 13428710, 26857420, 444490301, 888980602, 1777961204, 2222451505, 4444903010, 8889806020]

約数ペア:

[(1, 8889806020), (2, 4444903010), (4, 2222451505), (5, 1777961204), (10, 888980602), (20, 444490301), (331, 26857420), (662, 13428710), (1324, 6714355), (1655, 5371484), (3310, 2685742), (6620, 1342871)]