20129676140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143783401}}^1$

素因数の和:143783417

約数の個数: 24

約数和(自身を含む): 48311223072

約数和(自身を除く): 28181546932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143783401, 287566802, 575133604, 718917005, 1006483807, 1437834010, 2012967614, 2875668020, 4025935228, 5032419035, 10064838070, 20129676140]

約数ペア:

[(1, 20129676140), (2, 10064838070), (4, 5032419035), (5, 4025935228), (7, 2875668020), (10, 2012967614), (14, 1437834010), (20, 1006483807), (28, 718917005), (35, 575133604), (70, 287566802), (140, 143783401)]