20272886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11351}}^1$

素因数の和:11419

約数の個数: 16

約数和(自身を含む): 32693760

約数和(自身を除く): 12420874

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 11351, 22702, 215669, 431338, 533497, 1066994, 10136443, 20272886]

約数ペア:

[(1, 20272886), (2, 10136443), (19, 1066994), (38, 533497), (47, 431338), (94, 215669), (893, 22702), (1786, 11351)]