20100371788

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{79613}}^1$

素因数の和:79822

約数の個数: 48

約数和(自身を含む): 41088466944

約数和(自身を除く): 20988095156

約数列:

[1, 2, 4, 7, 14, 28, 71, 127, 142, 254, 284, 497, 508, 889, 994, 1778, 1988, 3556, 9017, 18034, 36068, 63119, 79613, 126238, 159226, 252476, 318452, 557291, 1114582, 2229164, 5652523, 10110851, 11305046, 20221702, 22610092, 39567661, 40443404, 70775957, 79135322, 141551914, 158270644, 283103828, 717870421, 1435740842, 2871481684, 5025092947, 10050185894, 20100371788]

約数ペア:

[(1, 20100371788), (2, 10050185894), (4, 5025092947), (7, 2871481684), (14, 1435740842), (28, 717870421), (71, 283103828), (127, 158270644), (142, 141551914), (254, 79135322), (284, 70775957), (497, 40443404), (508, 39567661), (889, 22610092), (994, 20221702), (1778, 11305046), (1988, 10110851), (3556, 5652523), (9017, 2229164), (18034, 1114582), (36068, 557291), (63119, 318452), (79613, 252476), (126238, 159226)]