20123202010

素因数分解:

$2^1\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{1438399}}^1$

素因数の和:1439805

約数の個数: 16

約数和(自身を含む): 36247680000

約数和(自身を除く): 16124477990

約数列:

[1, 2, 5, 10, 1399, 2798, 6995, 13990, 1438399, 2876798, 7191995, 14383990, 2012320201, 4024640402, 10061601005, 20123202010]

約数ペア:

[(1, 20123202010), (2, 10061601005), (5, 4024640402), (10, 2012320201), (1399, 14383990), (2798, 7191995), (6995, 2876798), (13990, 1438399)]