20973766

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22171}}^1$

素因数の和:22227

約数の個数: 16

約数和(自身を含む): 35120448

約数和(自身を除く): 14146682

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 22171, 44342, 243881, 487762, 953353, 1906706, 10486883, 20973766]

約数ペア:

[(1, 20973766), (2, 10486883), (11, 1906706), (22, 953353), (43, 487762), (86, 243881), (473, 44342), (946, 22171)]