20330486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21491}}^1$

素因数の和:21547

約数の個数: 16

約数和(自身を含む): 34043328

約数和(自身を除く): 13712842

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21491, 42982, 236401, 472802, 924113, 1848226, 10165243, 20330486]

約数ペア:

[(1, 20330486), (2, 10165243), (11, 1848226), (22, 924113), (43, 472802), (86, 236401), (473, 42982), (946, 21491)]