20515010

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{14759}}^1$

素因数の和:14905

約数の個数: 16

約数和(自身を含む): 37195200

約数和(自身を除く): 16680190

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 14759, 29518, 73795, 147590, 2051501, 4103002, 10257505, 20515010]

約数ペア:

[(1, 20515010), (2, 10257505), (5, 4103002), (10, 2051501), (139, 147590), (278, 73795), (695, 29518), (1390, 14759)]