20850515

素因数分解:

$5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{3119}}^1$

素因数の和:3322

約数の個数: 16

約数和(自身を含む): 28753920

約数和(自身を除く): 7903405

約数列:

[1, 5, 7, 35, 191, 955, 1337, 3119, 6685, 15595, 21833, 109165, 595729, 2978645, 4170103, 20850515]

約数ペア:

[(1, 20850515), (5, 4170103), (7, 2978645), (35, 595729), (191, 109165), (955, 21833), (1337, 15595), (3119, 6685)]