20654610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9697}}^1$

素因数の和:9778

約数の個数: 32

約数和(自身を含む): 50274432

約数和(自身を除く): 29619822

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9697, 19394, 29091, 48485, 58182, 96970, 145455, 290910, 688487, 1376974, 2065461, 3442435, 4130922, 6884870, 10327305, 20654610]

約数ペア:

[(1, 20654610), (2, 10327305), (3, 6884870), (5, 4130922), (6, 3442435), (10, 2065461), (15, 1376974), (30, 688487), (71, 290910), (142, 145455), (213, 96970), (355, 58182), (426, 48485), (710, 29091), (1065, 19394), (2130, 9697)]