20970290967

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1\times {\mathrm{599}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 28416960000

約数和(自身を除く): 7446669033

約数列:

[1, 3, 131, 229, 389, 393, 599, 687, 1167, 1797, 29999, 50959, 78469, 89081, 89997, 137171, 152877, 233011, 235407, 267243, 411513, 699033, 11669611, 17969401, 30524441, 35008833, 53359519, 53908203, 91573323, 160078557, 6990096989, 20970290967]

約数ペア:

[(1, 20970290967), (3, 6990096989), (131, 160078557), (229, 91573323), (389, 53908203), (393, 53359519), (599, 35008833), (687, 30524441), (1167, 17969401), (1797, 11669611), (29999, 699033), (50959, 411513), (78469, 267243), (89081, 235407), (89997, 233011), (137171, 152877)]