2013311420

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{145681}}^1$

素因数の和:146381

約数の個数: 24

約数和(自身を含む): 4234101648

約数和(自身を除く): 2220790228

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 13820, 145681, 291362, 582724, 728405, 1456810, 2913620, 100665571, 201331142, 402662284, 503327855, 1006655710, 2013311420]

約数ペア:

[(1, 2013311420), (2, 1006655710), (4, 503327855), (5, 402662284), (10, 201331142), (20, 100665571), (691, 2913620), (1382, 1456810), (2764, 728405), (3455, 582724), (6910, 291362), (13820, 145681)]