20864932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{2089}}^1$

素因数の和:2331

約数の個数: 24

約数和(自身を含む): 40027680

約数和(自身を除く): 19162748

約数列:

[1, 2, 4, 11, 22, 44, 227, 454, 908, 2089, 2497, 4178, 4994, 8356, 9988, 22979, 45958, 91916, 474203, 948406, 1896812, 5216233, 10432466, 20864932]

約数ペア:

[(1, 20864932), (2, 10432466), (4, 5216233), (11, 1896812), (22, 948406), (44, 474203), (227, 91916), (454, 45958), (908, 22979), (2089, 9988), (2497, 8356), (4178, 4994)]