20185828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20431}}^1$

素因数の和:20467

約数の個数: 24

約数和(自身を含む): 40046720

約数和(自身を除く): 19860892

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20431, 40862, 81724, 265603, 388189, 531206, 776378, 1062412, 1552756, 5046457, 10092914, 20185828]

約数ペア:

[(1, 20185828), (2, 10092914), (4, 5046457), (13, 1552756), (19, 1062412), (26, 776378), (38, 531206), (52, 388189), (76, 265603), (247, 81724), (494, 40862), (988, 20431)]