20393704

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{43207}}^1$

素因数の和:43272

約数の個数: 16

約数和(自身を含む): 38887200

約数和(自身を除く): 18493496

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 43207, 86414, 172828, 345656, 2549213, 5098426, 10196852, 20393704]

約数ペア:

[(1, 20393704), (2, 10196852), (4, 5098426), (8, 2549213), (59, 345656), (118, 172828), (236, 86414), (472, 43207)]