20953966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41411}}^1$

素因数の和:41447

約数の個数: 16

約数和(自身を含む): 35779968

約数和(自身を除く): 14826002

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41411, 82822, 455521, 911042, 952453, 1904906, 10476983, 20953966]

約数ペア:

[(1, 20953966), (2, 10476983), (11, 1904906), (22, 952453), (23, 911042), (46, 455521), (253, 82822), (506, 41411)]