2000989907

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{317}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 2390057472

約数和(自身を除く): 389067565

約数列:

[1, 7, 43, 67, 301, 313, 317, 469, 2191, 2219, 2881, 13459, 13631, 20167, 20971, 21239, 94213, 95417, 99221, 146797, 148673, 694547, 901753, 913277, 4266503, 6312271, 6392939, 6647807, 29865521, 46534649, 285855701, 2000989907]

約数ペア:

[(1, 2000989907), (7, 285855701), (43, 46534649), (67, 29865521), (301, 6647807), (313, 6392939), (317, 6312271), (469, 4266503), (2191, 913277), (2219, 901753), (2881, 694547), (13459, 148673), (13631, 146797), (20167, 99221), (20971, 95417), (21239, 94213)]