20803885138

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{443}}^1\times {\mathrm{2791}}^1$

素因数の和:3462

約数の個数: 32

約数和(自身を含む): 32131676160

約数和(自身を除く): 11327791022

約数列:

[1, 2, 47, 94, 179, 358, 443, 886, 2791, 5582, 8413, 16826, 20821, 41642, 79297, 131177, 158594, 262354, 499589, 999178, 1236413, 2472826, 3726959, 7453918, 23480683, 46961366, 58111411, 116222822, 221317927, 442635854, 10401942569, 20803885138]

約数ペア:

[(1, 20803885138), (2, 10401942569), (47, 442635854), (94, 221317927), (179, 116222822), (358, 58111411), (443, 46961366), (886, 23480683), (2791, 7453918), (5582, 3726959), (8413, 2472826), (16826, 1236413), (20821, 999178), (41642, 499589), (79297, 262354), (131177, 158594)]