20153295

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5669}}^1$

素因数の和:5759

約数の個数: 24

約数和(自身を含む): 35380800

約数和(自身を除く): 15227505

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 5669, 17007, 28345, 51021, 85035, 255105, 447851, 1343553, 2239255, 4030659, 6717765, 20153295]

約数ペア:

[(1, 20153295), (3, 6717765), (5, 4030659), (9, 2239255), (15, 1343553), (45, 447851), (79, 255105), (237, 85035), (395, 51021), (711, 28345), (1185, 17007), (3555, 5669)]