20197460720

素因数分解:

$2^4\times 5^1\times {\mathrm{252468259}}^1$

素因数の和:252468272

約数の個数: 20

約数和(自身を含む): 46959096360

約数和(自身を除く): 26761635640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252468259, 504936518, 1009873036, 1262341295, 2019746072, 2524682590, 4039492144, 5049365180, 10098730360, 20197460720]

約数ペア:

[(1, 20197460720), (2, 10098730360), (4, 5049365180), (5, 4039492144), (8, 2524682590), (10, 2019746072), (16, 1262341295), (20, 1009873036), (40, 504936518), (80, 252468259)]