20943070

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10631}}^1$

素因数の和:10835

約数の個数: 16

約数和(自身を含む): 37892448

約数和(自身を除く): 16949378

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 10631, 21262, 53155, 106310, 2094307, 4188614, 10471535, 20943070]

約数ペア:

[(1, 20943070), (2, 10471535), (5, 4188614), (10, 2094307), (197, 106310), (394, 53155), (985, 21262), (1970, 10631)]