20147828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{751}}^1$

素因数の和:1127

約数の個数: 24

約数和(自身を含む): 37269120

約数和(自身を除く): 17121292

約数列:

[1, 2, 4, 19, 38, 76, 353, 706, 751, 1412, 1502, 3004, 6707, 13414, 14269, 26828, 28538, 57076, 265103, 530206, 1060412, 5036957, 10073914, 20147828]

約数ペア:

[(1, 20147828), (2, 10073914), (4, 5036957), (19, 1060412), (38, 530206), (76, 265103), (353, 57076), (706, 28538), (751, 26828), (1412, 14269), (1502, 13414), (3004, 6707)]