20793190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{449}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 41018400

約数和(自身を除く): 20225210

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 421, 449, 842, 898, 2105, 2245, 4210, 4490, 4631, 4939, 9262, 9878, 23155, 24695, 46310, 49390, 189029, 378058, 945145, 1890290, 2079319, 4158638, 10396595, 20793190]

約数ペア:

[(1, 20793190), (2, 10396595), (5, 4158638), (10, 2079319), (11, 1890290), (22, 945145), (55, 378058), (110, 189029), (421, 49390), (449, 46310), (842, 24695), (898, 23155), (2105, 9878), (2245, 9262), (4210, 4939), (4490, 4631)]