20572528

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14447}}^1$

素因数の和:14544

約数の個数: 20

約数和(自身を含む): 40309920

約数和(自身を除く): 19737392

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14447, 28894, 57788, 115576, 231152, 1285783, 2571566, 5143132, 10286264, 20572528]

約数ペア:

[(1, 20572528), (2, 10286264), (4, 5143132), (8, 2571566), (16, 1285783), (89, 231152), (178, 115576), (356, 57788), (712, 28894), (1424, 14447)]