20173617784

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81345233}}^1$

素因数の和:81345270

約数の個数: 16

約数和(自身を含む): 39045712320

約数和(自身を除く): 18872094536

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81345233, 162690466, 325380932, 650761864, 2521702223, 5043404446, 10086808892, 20173617784]

約数ペア:

[(1, 20173617784), (2, 10086808892), (4, 5043404446), (8, 2521702223), (31, 650761864), (62, 325380932), (124, 162690466), (248, 81345233)]