20804429139

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{299521}}^1$

素因数の和:299687

約数の個数: 24

約数和(自身を含む): 30256514352

約数和(自身を除く): 9452085213

約数列:

[1, 3, 13, 39, 137, 169, 411, 507, 1781, 5343, 23153, 69459, 299521, 898563, 3893773, 11681319, 41034377, 50619049, 123103131, 151857147, 533446901, 1600340703, 6934809713, 20804429139]

約数ペア:

[(1, 20804429139), (3, 6934809713), (13, 1600340703), (39, 533446901), (137, 151857147), (169, 123103131), (411, 50619049), (507, 41034377), (1781, 11681319), (5343, 3893773), (23153, 898563), (69459, 299521)]