16744980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{39869}}^1$

素因数の和:39888

約数の個数: 48

約数和(自身を含む): 53585280

約数和(自身を除く): 36840300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 39869, 79738, 119607, 159476, 199345, 239214, 279083, 398690, 478428, 558166, 598035, 797380, 837249, 1116332, 1196070, 1395415, 1674498, 2392140, 2790830, 3348996, 4186245, 5581660, 8372490, 16744980]

約数ペア:

[(1, 16744980), (2, 8372490), (3, 5581660), (4, 4186245), (5, 3348996), (6, 2790830), (7, 2392140), (10, 1674498), (12, 1395415), (14, 1196070), (15, 1116332), (20, 837249), (21, 797380), (28, 598035), (30, 558166), (35, 478428), (42, 398690), (60, 279083), (70, 239214), (84, 199345), (105, 159476), (140, 119607), (210, 79738), (420, 39869)]