20688520585

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 27303091200

約数和(自身を除く): 6614570615

約数列:

[1, 5, 23, 37, 53, 115, 185, 199, 265, 461, 851, 995, 1219, 1961, 2305, 4255, 4577, 6095, 7363, 9805, 10547, 10603, 17057, 22885, 24433, 36815, 45103, 52735, 53015, 85285, 91739, 122165, 169349, 225515, 242581, 390239, 392311, 458695, 561959, 846745, 904021, 1212905, 1951195, 1961555, 2109997, 2809795, 3394343, 4520105, 4862167, 8975497, 10549985, 16971715, 20792483, 24310835, 44877485, 78069889, 103962415, 111829841, 179900179, 390349445, 559149205, 899500895, 4137704117, 20688520585]

約数ペア:

[(1, 20688520585), (5, 4137704117), (23, 899500895), (37, 559149205), (53, 390349445), (115, 179900179), (185, 111829841), (199, 103962415), (265, 78069889), (461, 44877485), (851, 24310835), (995, 20792483), (1219, 16971715), (1961, 10549985), (2305, 8975497), (4255, 4862167), (4577, 4520105), (6095, 3394343), (7363, 2809795), (9805, 2109997), (10547, 1961555), (10603, 1951195), (17057, 1212905), (22885, 904021), (24433, 846745), (36815, 561959), (45103, 458695), (52735, 392311), (53015, 390239), (85285, 242581), (91739, 225515), (122165, 169349)]