20145011991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1\times {\mathrm{47779}}^1$

素因数の和:48383

約数の個数: 32

約数和(自身を含む): 30502752000

約数和(自身を除く): 10357740009

約数列:

[1, 3, 13, 19, 39, 57, 247, 569, 741, 1707, 7397, 10811, 22191, 32433, 47779, 140543, 143337, 421629, 621127, 907801, 1863381, 2723403, 11801413, 27186251, 35404239, 81558753, 353421263, 516538769, 1060263789, 1549616307, 6715003997, 20145011991]

約数ペア:

[(1, 20145011991), (3, 6715003997), (13, 1549616307), (19, 1060263789), (39, 516538769), (57, 353421263), (247, 81558753), (569, 35404239), (741, 27186251), (1707, 11801413), (7397, 2723403), (10811, 1863381), (22191, 907801), (32433, 621127), (47779, 421629), (140543, 143337)]