20218798

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1373}}^1$

素因数の和:1611

約数の個数: 16

約数和(自身を含む): 31327200

約数和(自身を除く): 11108402

約数列:

[1, 2, 37, 74, 199, 398, 1373, 2746, 7363, 14726, 50801, 101602, 273227, 546454, 10109399, 20218798]

約数ペア:

[(1, 20218798), (2, 10109399), (37, 546454), (74, 273227), (199, 101602), (398, 50801), (1373, 14726), (2746, 7363)]