20826585

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11867}}^1$

素因数の和:11894

約数の個数: 32

約数和(自身を含む): 39876480

約数和(自身を除く): 19049895

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 11867, 35601, 59335, 106803, 154271, 178005, 320409, 462813, 534015, 771355, 1388439, 1602045, 2314065, 4165317, 6942195, 20826585]

約数ペア:

[(1, 20826585), (3, 6942195), (5, 4165317), (9, 2314065), (13, 1602045), (15, 1388439), (27, 771355), (39, 534015), (45, 462813), (65, 320409), (117, 178005), (135, 154271), (195, 106803), (351, 59335), (585, 35601), (1755, 11867)]