20449590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97379}}^1$

素因数の和:97396

約数の個数: 32

約数和(自身を含む): 56090880

約数和(自身を除く): 35641290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 97379, 194758, 292137, 486895, 584274, 681653, 973790, 1363306, 1460685, 2044959, 2921370, 3408265, 4089918, 6816530, 10224795, 20449590]

約数ペア:

[(1, 20449590), (2, 10224795), (3, 6816530), (5, 4089918), (6, 3408265), (7, 2921370), (10, 2044959), (14, 1460685), (15, 1363306), (21, 973790), (30, 681653), (35, 584274), (42, 486895), (70, 292137), (105, 194758), (210, 97379)]