20544552

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{40763}}^1$

素因数の和:40782

約数の個数: 48

約数和(自身を含む): 63591840

約数和(自身を除く): 43047288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 40763, 81526, 122289, 163052, 244578, 285341, 326104, 366867, 489156, 570682, 733734, 856023, 978312, 1141364, 1467468, 1712046, 2282728, 2568069, 2934936, 3424092, 5136138, 6848184, 10272276, 20544552]

約数ペア:

[(1, 20544552), (2, 10272276), (3, 6848184), (4, 5136138), (6, 3424092), (7, 2934936), (8, 2568069), (9, 2282728), (12, 1712046), (14, 1467468), (18, 1141364), (21, 978312), (24, 856023), (28, 733734), (36, 570682), (42, 489156), (56, 366867), (63, 326104), (72, 285341), (84, 244578), (126, 163052), (168, 122289), (252, 81526), (504, 40763)]