20998392

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12323}}^1$

素因数の和:12403

約数の個数: 32

約数和(自身を含む): 53239680

約数和(自身を除く): 32241288

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12323, 24646, 36969, 49292, 73938, 98584, 147876, 295752, 874933, 1749866, 2624799, 3499732, 5249598, 6999464, 10499196, 20998392]

約数ペア:

[(1, 20998392), (2, 10499196), (3, 6999464), (4, 5249598), (6, 3499732), (8, 2624799), (12, 1749866), (24, 874933), (71, 295752), (142, 147876), (213, 98584), (284, 73938), (426, 49292), (568, 36969), (852, 24646), (1704, 12323)]