20900235

素因数分解:

$3^1\times 5^1\times {\mathrm{613}}^1\times {\mathrm{2273}}^1$

素因数の和:2894

約数の個数: 16

約数和(自身を含む): 33509664

約数和(自身を除く): 12609429

約数列:

[1, 3, 5, 15, 613, 1839, 2273, 3065, 6819, 9195, 11365, 34095, 1393349, 4180047, 6966745, 20900235]

約数ペア:

[(1, 20900235), (3, 6966745), (5, 4180047), (15, 1393349), (613, 34095), (1839, 11365), (2273, 9195), (3065, 6819)]