20175896890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3697}}^1\times {\mathrm{28723}}^1$

素因数の和:32446

約数の個数: 32

約数和(自身を含む): 38239686720

約数和(自身を除く): 18063789830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 3697, 7394, 18485, 28723, 36970, 57446, 70243, 140486, 143615, 287230, 351215, 545737, 702430, 1091474, 2728685, 5457370, 106188931, 212377862, 530944655, 1061889310, 2017589689, 4035179378, 10087948445, 20175896890]

約数ペア:

[(1, 20175896890), (2, 10087948445), (5, 4035179378), (10, 2017589689), (19, 1061889310), (38, 530944655), (95, 212377862), (190, 106188931), (3697, 5457370), (7394, 2728685), (18485, 1091474), (28723, 702430), (36970, 545737), (57446, 351215), (70243, 287230), (140486, 143615)]