20493642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{262739}}^1$

素因数の和:262757

約数の個数: 16

約数和(自身を含む): 44140320

約数和(自身を除く): 23646678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 262739, 525478, 788217, 1576434, 3415607, 6831214, 10246821, 20493642]

約数ペア:

[(1, 20493642), (2, 10246821), (3, 6831214), (6, 3415607), (13, 1576434), (26, 788217), (39, 525478), (78, 262739)]