20356894

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{1049}}^1$

素因数の和:1395

約数の個数: 16

約数和(自身を含む): 31651200

約数和(自身を除く): 11294306

約数列:

[1, 2, 31, 62, 313, 626, 1049, 2098, 9703, 19406, 32519, 65038, 328337, 656674, 10178447, 20356894]

約数ペア:

[(1, 20356894), (2, 10178447), (31, 656674), (62, 328337), (313, 65038), (626, 32519), (1049, 19406), (2098, 9703)]