19928820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{332147}}^1$

素因数の和:332159

約数の個数: 24

約数和(自身を含む): 55800864

約数和(自身を除く): 35872044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 332147, 664294, 996441, 1328588, 1660735, 1992882, 3321470, 3985764, 4982205, 6642940, 9964410, 19928820]

約数ペア:

[(1, 19928820), (2, 9964410), (3, 6642940), (4, 4982205), (5, 3985764), (6, 3321470), (10, 1992882), (12, 1660735), (15, 1328588), (20, 996441), (30, 664294), (60, 332147)]