20583815

素因数分解:

$5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4231}}^1$

素因数の和:4382

約数の個数: 16

約数和(自身を含む): 28439040

約数和(自身を除く): 7855225

約数列:

[1, 5, 7, 35, 139, 695, 973, 4231, 4865, 21155, 29617, 148085, 588109, 2940545, 4116763, 20583815]

約数ペア:

[(1, 20583815), (5, 4116763), (7, 2940545), (35, 588109), (139, 148085), (695, 29617), (973, 21155), (4231, 4865)]