20797322

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{499}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 38640000

約数和(自身を除く): 17842678

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 229, 458, 499, 998, 1603, 2977, 3206, 3493, 5954, 6487, 6986, 12974, 20839, 41678, 45409, 90818, 114271, 228542, 799897, 1485523, 1599794, 2971046, 10398661, 20797322]

約数ペア:

[(1, 20797322), (2, 10398661), (7, 2971046), (13, 1599794), (14, 1485523), (26, 799897), (91, 228542), (182, 114271), (229, 90818), (458, 45409), (499, 41678), (998, 20839), (1603, 12974), (2977, 6986), (3206, 6487), (3493, 5954)]