20153552860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143953949}}^1$

素因数の和:143953965

約数の個数: 24

約数和(自身を含む): 48368527200

約数和(自身を除く): 28214974340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143953949, 287907898, 575815796, 719769745, 1007677643, 1439539490, 2015355286, 2879078980, 4030710572, 5038388215, 10076776430, 20153552860]

約数ペア:

[(1, 20153552860), (2, 10076776430), (4, 5038388215), (5, 4030710572), (7, 2879078980), (10, 2015355286), (14, 1439539490), (20, 1007677643), (28, 719769745), (35, 575815796), (70, 287907898), (140, 143953949)]