20937994

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19423}}^1$

素因数の和:19450

約数の個数: 24

約数和(自身を含む): 39858048

約数和(自身を除く): 18920054

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19423, 38846, 135961, 213653, 271922, 427306, 951727, 1495571, 1903454, 2991142, 10468997, 20937994]

約数ペア:

[(1, 20937994), (2, 10468997), (7, 2991142), (11, 1903454), (14, 1495571), (22, 951727), (49, 427306), (77, 271922), (98, 213653), (154, 135961), (539, 38846), (1078, 19423)]