20554798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30139}}^1$

素因数の和:30183

約数の個数: 16

約数和(自身を含む): 34721280

約数和(自身を除く): 14166482

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 30139, 60278, 331529, 663058, 934309, 1868618, 10277399, 20554798]

約数ペア:

[(1, 20554798), (2, 10277399), (11, 1868618), (22, 934309), (31, 663058), (62, 331529), (341, 60278), (682, 30139)]