20986638

素因数分解:

$2^1\times 3^1\times {\mathrm{617}}^1\times {\mathrm{5669}}^1$

素因数の和:6291

約数の個数: 16

約数和(自身を含む): 42048720

約数和(自身を除く): 21062082

約数列:

[1, 2, 3, 6, 617, 1234, 1851, 3702, 5669, 11338, 17007, 34014, 3497773, 6995546, 10493319, 20986638]

約数ペア:

[(1, 20986638), (2, 10493319), (3, 6995546), (6, 3497773), (617, 34014), (1234, 17007), (1851, 11338), (3702, 5669)]