20080940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{941}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 46527264

約数和(自身を除く): 26446324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 941, 970, 1067, 1882, 1940, 2134, 3764, 4268, 4705, 5335, 9410, 10351, 10670, 18820, 20702, 21340, 41404, 51755, 91277, 103510, 182554, 207020, 365108, 456385, 912770, 1004047, 1825540, 2008094, 4016188, 5020235, 10040470, 20080940]

約数ペア:

[(1, 20080940), (2, 10040470), (4, 5020235), (5, 4016188), (10, 2008094), (11, 1825540), (20, 1004047), (22, 912770), (44, 456385), (55, 365108), (97, 207020), (110, 182554), (194, 103510), (220, 91277), (388, 51755), (485, 41404), (941, 21340), (970, 20702), (1067, 18820), (1882, 10670), (1940, 10351), (2134, 9410), (3764, 5335), (4268, 4705)]