20512686896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4287769}}^1$

素因数の和:4287813

約数の個数: 40

約数和(自身を含む): 44661412320

約数和(自身を除く): 24148725424

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4784, 4287769, 8575538, 17151076, 34302152, 55740997, 68604304, 98618687, 111481994, 197237374, 222963988, 394474748, 445927976, 788949496, 891855952, 1282042931, 1577898992, 2564085862, 5128171724, 10256343448, 20512686896]

約数ペア:

[(1, 20512686896), (2, 10256343448), (4, 5128171724), (8, 2564085862), (13, 1577898992), (16, 1282042931), (23, 891855952), (26, 788949496), (46, 445927976), (52, 394474748), (92, 222963988), (104, 197237374), (184, 111481994), (208, 98618687), (299, 68604304), (368, 55740997), (598, 34302152), (1196, 17151076), (2392, 8575538), (4784, 4287769)]