20300386

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1723}}^1$

素因数の和:1905

約数の個数: 16

約数和(自身を含む): 31404384

約数和(自身を除く): 11103998

約数列:

[1, 2, 43, 86, 137, 274, 1723, 3446, 5891, 11782, 74089, 148178, 236051, 472102, 10150193, 20300386]

約数ペア:

[(1, 20300386), (2, 10150193), (43, 472102), (86, 236051), (137, 148178), (274, 74089), (1723, 11782), (3446, 5891)]