20605494

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2903}}^1$

素因数の和:2941

約数の個数: 48

約数和(自身を含む): 51017472

約数和(自身を除く): 30411978

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 169, 182, 273, 338, 507, 546, 1014, 1183, 2366, 2903, 3549, 5806, 7098, 8709, 17418, 20321, 37739, 40642, 60963, 75478, 113217, 121926, 226434, 264173, 490607, 528346, 792519, 981214, 1471821, 1585038, 2943642, 3434249, 6868498, 10302747, 20605494]

約数ペア:

[(1, 20605494), (2, 10302747), (3, 6868498), (6, 3434249), (7, 2943642), (13, 1585038), (14, 1471821), (21, 981214), (26, 792519), (39, 528346), (42, 490607), (78, 264173), (91, 226434), (169, 121926), (182, 113217), (273, 75478), (338, 60963), (507, 40642), (546, 37739), (1014, 20321), (1183, 17418), (2366, 8709), (2903, 7098), (3549, 5806)]