20155444321

素因数分解:

${\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2143}}^1\times {\mathrm{6781}}^1$

素因数の和:9016

約数の個数: 16

約数和(自身を含む): 21520099840

約数和(自身を除く): 1364655519

約数列:

[1, 19, 73, 1387, 2143, 6781, 40717, 128839, 156439, 495013, 2972341, 9405247, 14531683, 276101977, 1060812859, 20155444321]

約数ペア:

[(1, 20155444321), (19, 1060812859), (73, 276101977), (1387, 14531683), (2143, 9405247), (6781, 2972341), (40717, 495013), (128839, 156439)]