20071648280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{325627}}^1$

素因数の和:325728

約数の個数: 64

約数和(自身を含む): 47828240640

約数和(自身を除く): 27756592360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 67, 92, 115, 134, 184, 230, 268, 335, 460, 536, 670, 920, 1340, 1541, 2680, 3082, 6164, 7705, 12328, 15410, 30820, 61640, 325627, 651254, 1302508, 1628135, 2605016, 3256270, 6512540, 7489421, 13025080, 14978842, 21817009, 29957684, 37447105, 43634018, 59915368, 74894210, 87268036, 109085045, 149788420, 174536072, 218170090, 299576840, 436340180, 501791207, 872680360, 1003582414, 2007164828, 2508956035, 4014329656, 5017912070, 10035824140, 20071648280]

約数ペア:

[(1, 20071648280), (2, 10035824140), (4, 5017912070), (5, 4014329656), (8, 2508956035), (10, 2007164828), (20, 1003582414), (23, 872680360), (40, 501791207), (46, 436340180), (67, 299576840), (92, 218170090), (115, 174536072), (134, 149788420), (184, 109085045), (230, 87268036), (268, 74894210), (335, 59915368), (460, 43634018), (536, 37447105), (670, 29957684), (920, 21817009), (1340, 14978842), (1541, 13025080), (2680, 7489421), (3082, 6512540), (6164, 3256270), (7705, 2605016), (12328, 1628135), (15410, 1302508), (30820, 651254), (61640, 325627)]