20596980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3539}}^1$

素因数の和:3648

約数の個数: 48

約数和(自身を含む): 58282560

約数和(自身を除く): 37685580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 3539, 5820, 7078, 10617, 14156, 17695, 21234, 35390, 42468, 53085, 70780, 106170, 212340, 343283, 686566, 1029849, 1373132, 1716415, 2059698, 3432830, 4119396, 5149245, 6865660, 10298490, 20596980]

約数ペア:

[(1, 20596980), (2, 10298490), (3, 6865660), (4, 5149245), (5, 4119396), (6, 3432830), (10, 2059698), (12, 1716415), (15, 1373132), (20, 1029849), (30, 686566), (60, 343283), (97, 212340), (194, 106170), (291, 70780), (388, 53085), (485, 42468), (582, 35390), (970, 21234), (1164, 17695), (1455, 14156), (1940, 10617), (2910, 7078), (3539, 5820)]