2000644820

素因数分解:

$2^2\times 5^1\times {\mathrm{3257}}^1\times {\mathrm{30713}}^1$

素因数の和:33979

約数の個数: 24

約数和(自身を含む): 4202780904

約数和(自身を除く): 2202136084

約数列:

[1, 2, 4, 5, 10, 20, 3257, 6514, 13028, 16285, 30713, 32570, 61426, 65140, 122852, 153565, 307130, 614260, 100032241, 200064482, 400128964, 500161205, 1000322410, 2000644820]

約数ペア:

[(1, 2000644820), (2, 1000322410), (4, 500161205), (5, 400128964), (10, 200064482), (20, 100032241), (3257, 614260), (6514, 307130), (13028, 153565), (16285, 122852), (30713, 65140), (32570, 61426)]