20875470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1291}}^1$

素因数の和:1326

約数の個数: 96

約数和(自身を含む): 63628416

約数和(自身を除く): 42752946

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 49, 55, 66, 70, 77, 98, 105, 110, 147, 154, 165, 210, 231, 245, 294, 330, 385, 462, 490, 539, 735, 770, 1078, 1155, 1291, 1470, 1617, 2310, 2582, 2695, 3234, 3873, 5390, 6455, 7746, 8085, 9037, 12910, 14201, 16170, 18074, 19365, 27111, 28402, 38730, 42603, 45185, 54222, 63259, 71005, 85206, 90370, 99407, 126518, 135555, 142010, 189777, 198814, 213015, 271110, 298221, 316295, 379554, 426030, 497035, 596442, 632590, 695849, 948885, 994070, 1391698, 1491105, 1897770, 2087547, 2982210, 3479245, 4175094, 6958490, 10437735, 20875470]

約数ペア:

[(1, 20875470), (2, 10437735), (3, 6958490), (5, 4175094), (6, 3479245), (7, 2982210), (10, 2087547), (11, 1897770), (14, 1491105), (15, 1391698), (21, 994070), (22, 948885), (30, 695849), (33, 632590), (35, 596442), (42, 497035), (49, 426030), (55, 379554), (66, 316295), (70, 298221), (77, 271110), (98, 213015), (105, 198814), (110, 189777), (147, 142010), (154, 135555), (165, 126518), (210, 99407), (231, 90370), (245, 85206), (294, 71005), (330, 63259), (385, 54222), (462, 45185), (490, 42603), (539, 38730), (735, 28402), (770, 27111), (1078, 19365), (1155, 18074), (1291, 16170), (1470, 14201), (1617, 12910), (2310, 9037), (2582, 8085), (2695, 7746), (3234, 6455), (3873, 5390)]