20199991683

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{433}}^1\times {\mathrm{7649}}^1$

素因数の和:8211

約数の個数: 32

約数和(自身を含む): 28685664000

約数和(自身を除く): 8485672317

約数列:

[1, 3, 19, 57, 107, 321, 433, 1299, 2033, 6099, 7649, 8227, 22947, 24681, 46331, 138993, 145331, 435993, 818443, 880289, 2455329, 2640867, 3312017, 9936051, 15550417, 46651251, 62928323, 188784969, 354385819, 1063157457, 6733330561, 20199991683]

約数ペア:

[(1, 20199991683), (3, 6733330561), (19, 1063157457), (57, 354385819), (107, 188784969), (321, 62928323), (433, 46651251), (1299, 15550417), (2033, 9936051), (6099, 3312017), (7649, 2640867), (8227, 2455329), (22947, 880289), (24681, 818443), (46331, 435993), (138993, 145331)]