20059455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 35786016

約数和(自身を除く): 15726561

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 169, 193, 195, 205, 507, 533, 579, 615, 845, 965, 1599, 2509, 2535, 2665, 2895, 6929, 7527, 7913, 7995, 12545, 20787, 23739, 32617, 34645, 37635, 39565, 97851, 102869, 103935, 118695, 163085, 308607, 489255, 514345, 1337297, 1543035, 4011891, 6686485, 20059455]

約数ペア:

[(1, 20059455), (3, 6686485), (5, 4011891), (13, 1543035), (15, 1337297), (39, 514345), (41, 489255), (65, 308607), (123, 163085), (169, 118695), (193, 103935), (195, 102869), (205, 97851), (507, 39565), (533, 37635), (579, 34645), (615, 32617), (845, 23739), (965, 20787), (1599, 12545), (2509, 7995), (2535, 7913), (2665, 7527), (2895, 6929)]