20954410

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9931}}^1$

素因数の和:10149

約数の個数: 16

約数和(自身を含む): 37900512

約数和(自身を除く): 16946102

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 9931, 19862, 49655, 99310, 2095441, 4190882, 10477205, 20954410]

約数ペア:

[(1, 20954410), (2, 10477205), (5, 4190882), (10, 2095441), (211, 99310), (422, 49655), (1055, 19862), (2110, 9931)]