20176722740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1619}}^1\times {\mathrm{21487}}^1$

素因数の和:23144

約数の個数: 48

約数和(自身を含む): 43861305600

約数和(自身を除く): 23684582860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1619, 3238, 6476, 8095, 16190, 21487, 32380, 42974, 46951, 85948, 93902, 107435, 187804, 214870, 234755, 429740, 469510, 623123, 939020, 1246246, 2492492, 3115615, 6231230, 12462460, 34787453, 69574906, 139149812, 173937265, 347874530, 695749060, 1008836137, 2017672274, 4035344548, 5044180685, 10088361370, 20176722740]

約数ペア:

[(1, 20176722740), (2, 10088361370), (4, 5044180685), (5, 4035344548), (10, 2017672274), (20, 1008836137), (29, 695749060), (58, 347874530), (116, 173937265), (145, 139149812), (290, 69574906), (580, 34787453), (1619, 12462460), (3238, 6231230), (6476, 3115615), (8095, 2492492), (16190, 1246246), (21487, 939020), (32380, 623123), (42974, 469510), (46951, 429740), (85948, 234755), (93902, 214870), (107435, 187804)]