20199972380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144285517}}^1$

素因数の和:144285533

約数の個数: 24

約数和(自身を含む): 48479934048

約数和(自身を除く): 28279961668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144285517, 288571034, 577142068, 721427585, 1009998619, 1442855170, 2019997238, 2885710340, 4039994476, 5049993095, 10099986190, 20199972380]

約数ペア:

[(1, 20199972380), (2, 10099986190), (4, 5049993095), (5, 4039994476), (7, 2885710340), (10, 2019997238), (14, 1442855170), (20, 1009998619), (28, 721427585), (35, 577142068), (70, 288571034), (140, 144285517)]