20835396

素因数分解:

$2^2\times 3^2\times {\mathrm{449}}^1\times {\mathrm{1289}}^1$

素因数の和:1748

約数の個数: 36

約数和(自身を含む): 52825500

約数和(自身を除く): 31990104

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 449, 898, 1289, 1347, 1796, 2578, 2694, 3867, 4041, 5156, 5388, 7734, 8082, 11601, 15468, 16164, 23202, 46404, 578761, 1157522, 1736283, 2315044, 3472566, 5208849, 6945132, 10417698, 20835396]

約数ペア:

[(1, 20835396), (2, 10417698), (3, 6945132), (4, 5208849), (6, 3472566), (9, 2315044), (12, 1736283), (18, 1157522), (36, 578761), (449, 46404), (898, 23202), (1289, 16164), (1347, 15468), (1796, 11601), (2578, 8082), (2694, 7734), (3867, 5388), (4041, 5156)]