20284904

素因数分解:

$2^3\times {\mathrm{313}}^1\times {\mathrm{8101}}^1$

素因数の和:8420

約数の個数: 16

約数和(自身を含む): 38160420

約数和(自身を除く): 17875516

約数列:

[1, 2, 4, 8, 313, 626, 1252, 2504, 8101, 16202, 32404, 64808, 2535613, 5071226, 10142452, 20284904]

約数ペア:

[(1, 20284904), (2, 10142452), (4, 5071226), (8, 2535613), (313, 64808), (626, 32404), (1252, 16202), (2504, 8101)]