20463247

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2903}}^1$

素因数の和:2982

約数の個数: 16

約数和(自身を含む): 25090560

約数和(自身を除く): 4627313

約数列:

[1, 7, 19, 53, 133, 371, 1007, 2903, 7049, 20321, 55157, 153859, 386099, 1077013, 2923321, 20463247]

約数ペア:

[(1, 20463247), (7, 2923321), (19, 1077013), (53, 386099), (133, 153859), (371, 55157), (1007, 20321), (2903, 7049)]