20680472

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{83389}}^1$

素因数の和:83426

約数の個数: 16

約数和(自身を含む): 40027200

約数和(自身を除く): 19346728

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 83389, 166778, 333556, 667112, 2585059, 5170118, 10340236, 20680472]

約数ペア:

[(1, 20680472), (2, 10340236), (4, 5170118), (8, 2585059), (31, 667112), (62, 333556), (124, 166778), (248, 83389)]