20272100

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{2777}}^1$

素因数の和:2864

約数の個数: 36

約数和(自身を含む): 44609124

約数和(自身を除く): 24337024

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 146, 292, 365, 730, 1460, 1825, 2777, 3650, 5554, 7300, 11108, 13885, 27770, 55540, 69425, 138850, 202721, 277700, 405442, 810884, 1013605, 2027210, 4054420, 5068025, 10136050, 20272100]

約数ペア:

[(1, 20272100), (2, 10136050), (4, 5068025), (5, 4054420), (10, 2027210), (20, 1013605), (25, 810884), (50, 405442), (73, 277700), (100, 202721), (146, 138850), (292, 69425), (365, 55540), (730, 27770), (1460, 13885), (1825, 11108), (2777, 7300), (3650, 5554)]