20197730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{288539}}^1$

素因数の和:288553

約数の個数: 16

約数和(自身を含む): 41549760

約数和(自身を除く): 21352030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 288539, 577078, 1442695, 2019773, 2885390, 4039546, 10098865, 20197730]

約数ペア:

[(1, 20197730), (2, 10098865), (5, 4039546), (7, 2885390), (10, 2019773), (14, 1442695), (35, 577078), (70, 288539)]