20125107

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1361}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 30595968

約数和(自身を除く): 10470861

約数列:

[1, 3, 9, 31, 53, 93, 159, 279, 477, 1361, 1643, 4083, 4929, 12249, 14787, 42191, 72133, 126573, 216399, 379719, 649197, 2236123, 6708369, 20125107]

約数ペア:

[(1, 20125107), (3, 6708369), (9, 2236123), (31, 649197), (53, 379719), (93, 216399), (159, 126573), (279, 72133), (477, 42191), (1361, 14787), (1643, 12249), (4083, 4929)]