20576439

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2477}}^1$

素因数の和:2567

約数の個数: 24

約数和(自身を含む): 32471712

約数和(自身を除く): 11895273

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2477, 2769, 7431, 8307, 22293, 32201, 96603, 175867, 289809, 527601, 1582803, 2286271, 6858813, 20576439]

約数ペア:

[(1, 20576439), (3, 6858813), (9, 2286271), (13, 1582803), (39, 527601), (71, 289809), (117, 175867), (213, 96603), (639, 32201), (923, 22293), (2477, 8307), (2769, 7431)]