20512142630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1866437}}^1$

素因数の和:1866608

約数の個数: 32

約数和(自身を含む): 42465197376

約数和(自身を除く): 21953054746

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 2198, 5495, 10990, 1866437, 3732874, 9332185, 13065059, 18664370, 26130118, 65325295, 130650590, 293030609, 586061218, 1465153045, 2051214263, 2930306090, 4102428526, 10256071315, 20512142630]

約数ペア:

[(1, 20512142630), (2, 10256071315), (5, 4102428526), (7, 2930306090), (10, 2051214263), (14, 1465153045), (35, 586061218), (70, 293030609), (157, 130650590), (314, 65325295), (785, 26130118), (1099, 18664370), (1570, 13065059), (2198, 9332185), (5495, 3732874), (10990, 1866437)]