20778855543

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{101}}^2\times {\mathrm{2543}}^1$

素因数の和:2840

約数の個数: 36

約数和(自身を含む): 30666673440

約数和(自身を除く): 9887817897

約数列:

[1, 3, 9, 89, 101, 267, 303, 801, 909, 2543, 7629, 8989, 10201, 22887, 26967, 30603, 80901, 91809, 226327, 256843, 678981, 770529, 907889, 2036943, 2311587, 2723667, 8171001, 22859027, 25941143, 68577081, 77823429, 205731243, 233470287, 2308761727, 6926285181, 20778855543]

約数ペア:

[(1, 20778855543), (3, 6926285181), (9, 2308761727), (89, 233470287), (101, 205731243), (267, 77823429), (303, 68577081), (801, 25941143), (909, 22859027), (2543, 8171001), (7629, 2723667), (8989, 2311587), (10201, 2036943), (22887, 907889), (26967, 770529), (30603, 678981), (80901, 256843), (91809, 226327)]