20972732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25087}}^1$

素因数の和:25121

約数の個数: 24

約数和(自身を含む): 42147840

約数和(自身を除く): 21175108

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25087, 50174, 100348, 275957, 476653, 551914, 953306, 1103828, 1906612, 5243183, 10486366, 20972732]

約数ペア:

[(1, 20972732), (2, 10486366), (4, 5243183), (11, 1906612), (19, 1103828), (22, 953306), (38, 551914), (44, 476653), (76, 275957), (209, 100348), (418, 50174), (836, 25087)]