20894642

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{2029}}^1$

素因数の和:2321

約数の個数: 16

約数和(自身を含む): 33129600

約数和(自身を除く): 12234958

約数列:

[1, 2, 19, 38, 271, 542, 2029, 4058, 5149, 10298, 38551, 77102, 549859, 1099718, 10447321, 20894642]

約数ペア:

[(1, 20894642), (2, 10447321), (19, 1099718), (38, 549859), (271, 77102), (542, 38551), (2029, 10298), (4058, 5149)]