2020009928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1009}}^1\times {\mathrm{13171}}^1$

素因数の和:14205

約数の個数: 32

約数和(自身を含む): 3991116000

約数和(自身を除く): 1971106072

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1009, 2018, 4036, 8072, 13171, 19171, 26342, 38342, 52684, 76684, 105368, 153368, 250249, 500498, 1000996, 2001992, 13289539, 26579078, 53158156, 106316312, 252501241, 505002482, 1010004964, 2020009928]

約数ペア:

[(1, 2020009928), (2, 1010004964), (4, 505002482), (8, 252501241), (19, 106316312), (38, 53158156), (76, 26579078), (152, 13289539), (1009, 2001992), (2018, 1000996), (4036, 500498), (8072, 250249), (13171, 153368), (19171, 105368), (26342, 76684), (38342, 52684)]