20297186

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 37712640

約数和(自身を除く): 17415454

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 229, 458, 487, 974, 1603, 2977, 3206, 3409, 5954, 6331, 6818, 12662, 20839, 41678, 44317, 88634, 111523, 223046, 780661, 1449799, 1561322, 2899598, 10148593, 20297186]

約数ペア:

[(1, 20297186), (2, 10148593), (7, 2899598), (13, 1561322), (14, 1449799), (26, 780661), (91, 223046), (182, 111523), (229, 88634), (458, 44317), (487, 41678), (974, 20839), (1603, 12662), (2977, 6818), (3206, 6331), (3409, 5954)]