20820990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{694033}}^1$

素因数の和:694043

約数の個数: 16

約数和(自身を含む): 49970448

約数和(自身を除く): 29149458

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 694033, 1388066, 2082099, 3470165, 4164198, 6940330, 10410495, 20820990]

約数ペア:

[(1, 20820990), (2, 10410495), (3, 6940330), (5, 4164198), (6, 3470165), (10, 2082099), (15, 1388066), (30, 694033)]