20004699

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 33519744

約数和(自身を除く): 13515045

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 169, 187, 211, 221, 429, 507, 561, 633, 663, 1859, 2321, 2431, 2743, 2873, 3587, 5577, 6963, 7293, 8229, 8619, 10761, 30173, 31603, 35659, 39457, 46631, 90519, 94809, 106977, 118371, 139893, 392249, 512941, 606203, 1176747, 1538823, 1818609, 6668233, 20004699]

約数ペア:

[(1, 20004699), (3, 6668233), (11, 1818609), (13, 1538823), (17, 1176747), (33, 606203), (39, 512941), (51, 392249), (143, 139893), (169, 118371), (187, 106977), (211, 94809), (221, 90519), (429, 46631), (507, 39457), (561, 35659), (633, 31603), (663, 30173), (1859, 10761), (2321, 8619), (2431, 8229), (2743, 7293), (2873, 6963), (3587, 5577)]