20057015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7759}}^1$

素因数の和:7822

約数の個数: 16

約数和(自身を含む): 26818560

約数和(自身を除く): 6761545

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 7759, 38795, 85349, 364673, 426745, 1823365, 4011403, 20057015]

約数ペア:

[(1, 20057015), (5, 4011403), (11, 1823365), (47, 426745), (55, 364673), (235, 85349), (517, 38795), (2585, 7759)]