20510523

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1303}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 33799680

約数和(自身を除く): 13289157

約数列:

[1, 3, 9, 11, 27, 33, 53, 99, 159, 297, 477, 583, 1303, 1431, 1749, 3909, 5247, 11727, 14333, 15741, 35181, 42999, 69059, 128997, 207177, 386991, 621531, 759649, 1864593, 2278947, 6836841, 20510523]

約数ペア:

[(1, 20510523), (3, 6836841), (9, 2278947), (11, 1864593), (27, 759649), (33, 621531), (53, 386991), (99, 207177), (159, 128997), (297, 69059), (477, 42999), (583, 35181), (1303, 15741), (1431, 14333), (1749, 11727), (3909, 5247)]