20479778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30029}}^1$

素因数の和:30073

約数の個数: 16

約数和(自身を含む): 34594560

約数和(自身を除く): 14114782

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 30029, 60058, 330319, 660638, 930899, 1861798, 10239889, 20479778]

約数ペア:

[(1, 20479778), (2, 10239889), (11, 1861798), (22, 930899), (31, 660638), (62, 330319), (341, 60058), (682, 30029)]