20623900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{18749}}^1$

素因数の和:18774

約数の個数: 36

約数和(自身を含む): 48825000

約数和(自身を除く): 28201100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 18749, 37498, 74996, 93745, 187490, 206239, 374980, 412478, 468725, 824956, 937450, 1031195, 1874900, 2062390, 4124780, 5155975, 10311950, 20623900]

約数ペア:

[(1, 20623900), (2, 10311950), (4, 5155975), (5, 4124780), (10, 2062390), (11, 1874900), (20, 1031195), (22, 937450), (25, 824956), (44, 468725), (50, 412478), (55, 374980), (100, 206239), (110, 187490), (220, 93745), (275, 74996), (550, 37498), (1100, 18749)]