20170352475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{985121}}^1$

素因数の和:985157

約数の個数: 72

約数和(自身を含む): 44464466592

約数和(自身を除く): 24294114117

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 63, 65, 75, 91, 105, 117, 175, 195, 225, 273, 315, 325, 455, 525, 585, 819, 975, 1365, 1575, 2275, 2925, 4095, 6825, 20475, 985121, 2955363, 4925605, 6895847, 8866089, 12806573, 14776815, 20687541, 24628025, 34479235, 38419719, 44330445, 62062623, 64032865, 73884075, 89646011, 103437705, 115259157, 172396175, 192098595, 221652225, 268938033, 310313115, 320164325, 448230055, 517188525, 576295785, 806814099, 960492975, 1344690165, 1551565575, 2241150275, 2881478925, 4034070495, 6723450825, 20170352475]

約数ペア:

[(1, 20170352475), (3, 6723450825), (5, 4034070495), (7, 2881478925), (9, 2241150275), (13, 1551565575), (15, 1344690165), (21, 960492975), (25, 806814099), (35, 576295785), (39, 517188525), (45, 448230055), (63, 320164325), (65, 310313115), (75, 268938033), (91, 221652225), (105, 192098595), (117, 172396175), (175, 115259157), (195, 103437705), (225, 89646011), (273, 73884075), (315, 64032865), (325, 62062623), (455, 44330445), (525, 38419719), (585, 34479235), (819, 24628025), (975, 20687541), (1365, 14776815), (1575, 12806573), (2275, 8866089), (2925, 6895847), (4095, 4925605), (6825, 2955363), (20475, 985121)]