20506244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1291}}^1$

素因数の和:1344

約数の個数: 36

約数和(自身を含む): 41349168

約数和(自身を除く): 20842924

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 361, 418, 722, 836, 1291, 1444, 2582, 3971, 5164, 7942, 14201, 15884, 24529, 28402, 49058, 56804, 98116, 269819, 466051, 539638, 932102, 1079276, 1864204, 5126561, 10253122, 20506244]

約数ペア:

[(1, 20506244), (2, 10253122), (4, 5126561), (11, 1864204), (19, 1079276), (22, 932102), (38, 539638), (44, 466051), (76, 269819), (209, 98116), (361, 56804), (418, 49058), (722, 28402), (836, 24529), (1291, 15884), (1444, 14201), (2582, 7942), (3971, 5164)]