20149086544

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29286463}}^1$

素因数の和:29286514

約数の個数: 20

約数和(自身を含む): 39946736896

約数和(自身を除く): 19797650352

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29286463, 58572926, 117145852, 234291704, 468583408, 1259317909, 2518635818, 5037271636, 10074543272, 20149086544]

約数ペア:

[(1, 20149086544), (2, 10074543272), (4, 5037271636), (8, 2518635818), (16, 1259317909), (43, 468583408), (86, 234291704), (172, 117145852), (344, 58572926), (688, 29286463)]