20165882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21317}}^1$

素因数の和:21373

約数の個数: 16

約数和(自身を含む): 33767712

約数和(自身を除く): 13601830

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21317, 42634, 234487, 468974, 916631, 1833262, 10082941, 20165882]

約数ペア:

[(1, 20165882), (2, 10082941), (11, 1833262), (22, 916631), (43, 468974), (86, 234487), (473, 42634), (946, 21317)]