20300378

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 15624742

約数列:

[1, 2, 7, 14, 53, 106, 109, 218, 251, 371, 502, 742, 763, 1526, 1757, 3514, 5777, 11554, 13303, 26606, 27359, 40439, 54718, 80878, 93121, 186242, 191513, 383026, 1450027, 2900054, 10150189, 20300378]

約数ペア:

[(1, 20300378), (2, 10150189), (7, 2900054), (14, 1450027), (53, 383026), (106, 191513), (109, 186242), (218, 93121), (251, 80878), (371, 54718), (502, 40439), (742, 27359), (763, 26606), (1526, 13303), (1757, 11554), (3514, 5777)]