20216847

素因数分解:

$3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{4241}}^1$

素因数の和:4478

約数の個数: 16

約数和(自身を含む): 30949632

約数和(自身を除く): 10732785

約数列:

[1, 3, 7, 21, 227, 681, 1589, 4241, 4767, 12723, 29687, 89061, 962707, 2888121, 6738949, 20216847]

約数ペア:

[(1, 20216847), (3, 6738949), (7, 2888121), (21, 962707), (227, 89061), (681, 29687), (1589, 12723), (4241, 4767)]