20469780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37907}}^1$

素因数の和:37925

約数の個数: 48

約数和(自身を含む): 63685440

約数和(自身を除く): 43215660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37907, 75814, 113721, 151628, 189535, 227442, 341163, 379070, 454884, 568605, 682326, 758140, 1023489, 1137210, 1364652, 1705815, 2046978, 2274420, 3411630, 4093956, 5117445, 6823260, 10234890, 20469780]

約数ペア:

[(1, 20469780), (2, 10234890), (3, 6823260), (4, 5117445), (5, 4093956), (6, 3411630), (9, 2274420), (10, 2046978), (12, 1705815), (15, 1364652), (18, 1137210), (20, 1023489), (27, 758140), (30, 682326), (36, 568605), (45, 454884), (54, 379070), (60, 341163), (90, 227442), (108, 189535), (135, 151628), (180, 113721), (270, 75814), (540, 37907)]