20120502620

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2291629}}^1$

素因数の和:2292077

約数の個数: 24

約数和(自身を含む): 42349322400

約数和(自身を除く): 22228819780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 2291629, 4583258, 9166516, 11458145, 22916290, 45832580, 1006025131, 2012050262, 4024100524, 5030125655, 10060251310, 20120502620]

約数ペア:

[(1, 20120502620), (2, 10060251310), (4, 5030125655), (5, 4024100524), (10, 2012050262), (20, 1006025131), (439, 45832580), (878, 22916290), (1756, 11458145), (2195, 9166516), (4390, 4583258), (8780, 2291629)]