20519241

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{3617}}^1$

素因数の和:3712

約数の個数: 16

約数和(自身を含む): 28712448

約数和(自身を除く): 8193207

約数列:

[1, 3, 31, 61, 93, 183, 1891, 3617, 5673, 10851, 112127, 220637, 336381, 661911, 6839747, 20519241]

約数ペア:

[(1, 20519241), (3, 6839747), (31, 661911), (61, 336381), (93, 220637), (183, 112127), (1891, 10851), (3617, 5673)]