20681340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11119}}^1$

素因数の和:11162

約数の個数: 48

約数和(自身を含む): 59781120

約数和(自身を除く): 39099780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11119, 22238, 33357, 44476, 55595, 66714, 111190, 133428, 166785, 222380, 333570, 344689, 667140, 689378, 1034067, 1378756, 1723445, 2068134, 3446890, 4136268, 5170335, 6893780, 10340670, 20681340]

約数ペア:

[(1, 20681340), (2, 10340670), (3, 6893780), (4, 5170335), (5, 4136268), (6, 3446890), (10, 2068134), (12, 1723445), (15, 1378756), (20, 1034067), (30, 689378), (31, 667140), (60, 344689), (62, 333570), (93, 222380), (124, 166785), (155, 133428), (186, 111190), (310, 66714), (372, 55595), (465, 44476), (620, 33357), (930, 22238), (1860, 11119)]