20160838

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1543}}^1$

素因数の和:1731

約数の個数: 16

約数和(自身を含む): 31127040

約数和(自身を除く): 10966202

約数列:

[1, 2, 47, 94, 139, 278, 1543, 3086, 6533, 13066, 72521, 145042, 214477, 428954, 10080419, 20160838]

約数ペア:

[(1, 20160838), (2, 10080419), (47, 428954), (94, 214477), (139, 145042), (278, 72521), (1543, 13066), (3086, 6533)]