20571914

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22807}}^1$

素因数の和:22861

約数の個数: 16

約数和(自身を含む): 34485696

約数和(自身を除く): 13913782

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 22807, 45614, 250877, 501754, 935087, 1870174, 10285957, 20571914]

約数ペア:

[(1, 20571914), (2, 10285957), (11, 1870174), (22, 935087), (41, 501754), (82, 250877), (451, 45614), (902, 22807)]