20549295

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1301}}^1$

素因数の和:1334

約数の個数: 48

約数和(自身を含む): 39809952

約数和(自身を除く): 19260657

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 1053, 1215, 1301, 1755, 3159, 3903, 5265, 6505, 11709, 15795, 16913, 19515, 35127, 50739, 58545, 84565, 105381, 152217, 175635, 253695, 316143, 456651, 526905, 761085, 1369953, 1580715, 2283255, 4109859, 6849765, 20549295]

約数ペア:

[(1, 20549295), (3, 6849765), (5, 4109859), (9, 2283255), (13, 1580715), (15, 1369953), (27, 761085), (39, 526905), (45, 456651), (65, 316143), (81, 253695), (117, 175635), (135, 152217), (195, 105381), (243, 84565), (351, 58545), (405, 50739), (585, 35127), (1053, 19515), (1215, 16913), (1301, 15795), (1755, 11709), (3159, 6505), (3903, 5265)]