20259368

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{541}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 39544320

約数和(自身を除く): 19284952

約数列:

[1, 2, 4, 8, 31, 62, 124, 151, 248, 302, 541, 604, 1082, 1208, 2164, 4328, 4681, 9362, 16771, 18724, 33542, 37448, 67084, 81691, 134168, 163382, 326764, 653528, 2532421, 5064842, 10129684, 20259368]

約数ペア:

[(1, 20259368), (2, 10129684), (4, 5064842), (8, 2532421), (31, 653528), (62, 326764), (124, 163382), (151, 134168), (248, 81691), (302, 67084), (541, 37448), (604, 33542), (1082, 18724), (1208, 16771), (2164, 9362), (4328, 4681)]