20437020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113539}}^1$

素因数の和:113554

約数の個数: 36

約数和(自身を含む): 61992840

約数和(自身を除く): 41555820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 113539, 227078, 340617, 454156, 567695, 681234, 1021851, 1135390, 1362468, 1703085, 2043702, 2270780, 3406170, 4087404, 5109255, 6812340, 10218510, 20437020]

約数ペア:

[(1, 20437020), (2, 10218510), (3, 6812340), (4, 5109255), (5, 4087404), (6, 3406170), (9, 2270780), (10, 2043702), (12, 1703085), (15, 1362468), (18, 1135390), (20, 1021851), (30, 681234), (36, 567695), (45, 454156), (60, 340617), (90, 227078), (180, 113539)]