20940998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5879}}^1$

素因数の和:6031

約数の個数: 16

約数和(自身を含む): 34080480

約数和(自身を除く): 13139482

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 5879, 11758, 76427, 152854, 805423, 1610846, 10470499, 20940998]

約数ペア:

[(1, 20940998), (2, 10470499), (13, 1610846), (26, 805423), (137, 152854), (274, 76427), (1781, 11758), (3562, 5879)]