9920272

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{14419}}^1$

素因数の和:14470

約数の個数: 20

約数和(自身を含む): 19668880

約数和(自身を除く): 9748608

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 14419, 28838, 57676, 115352, 230704, 620017, 1240034, 2480068, 4960136, 9920272]

約数ペア:

[(1, 9920272), (2, 4960136), (4, 2480068), (8, 1240034), (16, 620017), (43, 230704), (86, 115352), (172, 57676), (344, 28838), (688, 14419)]