20153891090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{757}}^1\times {\mathrm{140123}}^1$

素因数の和:140906

約数の個数: 32

約数和(自身を含む): 38237037120

約数和(自身を除く): 18083146030

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 757, 1514, 3785, 7570, 14383, 28766, 71915, 140123, 143830, 280246, 700615, 1401230, 2662337, 5324674, 13311685, 26623370, 106073111, 212146222, 530365555, 1060731110, 2015389109, 4030778218, 10076945545, 20153891090]

約数ペア:

[(1, 20153891090), (2, 10076945545), (5, 4030778218), (10, 2015389109), (19, 1060731110), (38, 530365555), (95, 212146222), (190, 106073111), (757, 26623370), (1514, 13311685), (3785, 5324674), (7570, 2662337), (14383, 1401230), (28766, 700615), (71915, 280246), (140123, 143830)]