20105992599

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{28603}}^1$

素因数の和:28820

約数の個数: 64

約数和(自身を含む): 35587952640

約数和(自身を除く): 15481960041

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 179, 187, 231, 357, 537, 561, 1253, 1309, 1969, 3043, 3759, 3927, 5907, 9129, 13783, 21301, 28603, 33473, 41349, 63903, 85809, 100419, 200221, 234311, 314633, 486251, 600663, 702933, 943899, 1458753, 2202431, 3403757, 5119937, 5348761, 6607293, 10211271, 15359811, 16046283, 35839559, 37441327, 56319307, 87038929, 107518677, 112323981, 168957921, 261116787, 394235149, 609272503, 957428219, 1182705447, 1827817509, 2872284657, 6701997533, 20105992599]

約数ペア:

[(1, 20105992599), (3, 6701997533), (7, 2872284657), (11, 1827817509), (17, 1182705447), (21, 957428219), (33, 609272503), (51, 394235149), (77, 261116787), (119, 168957921), (179, 112323981), (187, 107518677), (231, 87038929), (357, 56319307), (537, 37441327), (561, 35839559), (1253, 16046283), (1309, 15359811), (1969, 10211271), (3043, 6607293), (3759, 5348761), (3927, 5119937), (5907, 3403757), (9129, 2202431), (13783, 1458753), (21301, 943899), (28603, 702933), (33473, 600663), (41349, 486251), (63903, 314633), (85809, 234311), (100419, 200221)]