20094870824

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2581561}}^1$

素因数の和:2581713

約数の個数: 32

約数和(自身を含む): 43370241600

約数和(自身を除く): 23275370776

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784, 2581561, 5163122, 10326244, 18070927, 20652488, 36141854, 72283708, 144567416, 358836979, 717673958, 1435347916, 2511858853, 2870695832, 5023717706, 10047435412, 20094870824]

約数ペア:

[(1, 20094870824), (2, 10047435412), (4, 5023717706), (7, 2870695832), (8, 2511858853), (14, 1435347916), (28, 717673958), (56, 358836979), (139, 144567416), (278, 72283708), (556, 36141854), (973, 20652488), (1112, 18070927), (1946, 10326244), (3892, 5163122), (7784, 2581561)]