16769840

素因数分解:

$2^4\times 5^1\times {\mathrm{209623}}^1$

素因数の和:209636

約数の個数: 20

約数和(自身を含む): 38990064

約数和(自身を除く): 22220224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 209623, 419246, 838492, 1048115, 1676984, 2096230, 3353968, 4192460, 8384920, 16769840]

約数ペア:

[(1, 16769840), (2, 8384920), (4, 4192460), (5, 3353968), (8, 2096230), (10, 1676984), (16, 1048115), (20, 838492), (40, 419246), (80, 209623)]