20794774

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 96

約数和(自身を含む): 45536256

約数和(自身を除く): 24741482

約数列:

[1, 2, 7, 11, 13, 14, 17, 22, 26, 34, 47, 77, 91, 94, 119, 143, 154, 169, 182, 187, 221, 238, 286, 329, 338, 374, 442, 517, 611, 658, 799, 1001, 1034, 1183, 1222, 1309, 1547, 1598, 1859, 2002, 2366, 2431, 2618, 2873, 3094, 3619, 3718, 4277, 4862, 5593, 5746, 6721, 7238, 7943, 8554, 8789, 10387, 11186, 13013, 13442, 15886, 17017, 17578, 20111, 20774, 26026, 31603, 34034, 40222, 47047, 55601, 61523, 63206, 72709, 87373, 94094, 111202, 114257, 123046, 135031, 145418, 174746, 221221, 228514, 270062, 442442, 611611, 799799, 945217, 1223222, 1485341, 1599598, 1890434, 2970682, 10397387, 20794774]

約数ペア:

[(1, 20794774), (2, 10397387), (7, 2970682), (11, 1890434), (13, 1599598), (14, 1485341), (17, 1223222), (22, 945217), (26, 799799), (34, 611611), (47, 442442), (77, 270062), (91, 228514), (94, 221221), (119, 174746), (143, 145418), (154, 135031), (169, 123046), (182, 114257), (187, 111202), (221, 94094), (238, 87373), (286, 72709), (329, 63206), (338, 61523), (374, 55601), (442, 47047), (517, 40222), (611, 34034), (658, 31603), (799, 26026), (1001, 20774), (1034, 20111), (1183, 17578), (1222, 17017), (1309, 15886), (1547, 13442), (1598, 13013), (1859, 11186), (2002, 10387), (2366, 8789), (2431, 8554), (2618, 7943), (2873, 7238), (3094, 6721), (3619, 5746), (3718, 5593), (4277, 4862)]