20959228

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{643}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 38137680

約数和(自身を除く): 17178452

約数列:

[1, 2, 4, 29, 58, 116, 281, 562, 643, 1124, 1286, 2572, 8149, 16298, 18647, 32596, 37294, 74588, 180683, 361366, 722732, 5239807, 10479614, 20959228]

約数ペア:

[(1, 20959228), (2, 10479614), (4, 5239807), (29, 722732), (58, 361366), (116, 180683), (281, 74588), (562, 37294), (643, 32596), (1124, 18647), (1286, 16298), (2572, 8149)]