20187140216

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{2617}}^1\times {\mathrm{2671}}^1$

素因数の和:5332

約数の個数: 48

約数和(自身を含む): 39978116640

約数和(自身を除く): 19790976424

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2617, 2671, 2888, 5234, 5342, 10468, 10684, 20936, 21368, 49723, 50749, 99446, 101498, 198892, 202996, 397784, 405992, 944737, 964231, 1889474, 1928462, 3778948, 3856924, 6990007, 7557896, 7713848, 13980014, 27960028, 55920056, 132810133, 265620266, 531240532, 1062481064, 2523392527, 5046785054, 10093570108, 20187140216]

約数ペア:

[(1, 20187140216), (2, 10093570108), (4, 5046785054), (8, 2523392527), (19, 1062481064), (38, 531240532), (76, 265620266), (152, 132810133), (361, 55920056), (722, 27960028), (1444, 13980014), (2617, 7713848), (2671, 7557896), (2888, 6990007), (5234, 3856924), (5342, 3778948), (10468, 1928462), (10684, 1889474), (20936, 964231), (21368, 944737), (49723, 405992), (50749, 397784), (99446, 202996), (101498, 198892)]