20227555

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1249}}^1$

素因数の和:1374

約数の個数: 16

約数和(自身を含む): 25200000

約数和(自身を除く): 4972445

約数列:

[1, 5, 41, 79, 205, 395, 1249, 3239, 6245, 16195, 51209, 98671, 256045, 493355, 4045511, 20227555]

約数ペア:

[(1, 20227555), (5, 4045511), (41, 493355), (79, 256045), (205, 98671), (395, 51209), (1249, 16195), (3239, 6245)]