20913435

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7877}}^1$

素因数の和:7947

約数の個数: 24

約数和(自身を含む): 36869040

約数和(自身を除く): 15955605

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 295, 531, 885, 2655, 7877, 23631, 39385, 70893, 118155, 354465, 464743, 1394229, 2323715, 4182687, 6971145, 20913435]

約数ペア:

[(1, 20913435), (3, 6971145), (5, 4182687), (9, 2323715), (15, 1394229), (45, 464743), (59, 354465), (177, 118155), (295, 70893), (531, 39385), (885, 23631), (2655, 7877)]