20926190

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20719}}^1$

素因数の和:20827

約数の個数: 16

約数和(自身を含む): 38041920

約数和(自身を除く): 17115730

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 20719, 41438, 103595, 207190, 2092619, 4185238, 10463095, 20926190]

約数ペア:

[(1, 20926190), (2, 10463095), (5, 4185238), (10, 2092619), (101, 207190), (202, 103595), (505, 41438), (1010, 20719)]