20256894

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 54475200

約数和(自身を除く): 34218306

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 49, 51, 63, 98, 102, 119, 126, 147, 153, 193, 238, 294, 306, 343, 357, 386, 441, 579, 686, 714, 833, 882, 1029, 1071, 1158, 1351, 1666, 1737, 2058, 2142, 2499, 2702, 3087, 3281, 3474, 4053, 4998, 5831, 6174, 6562, 7497, 8106, 9457, 9843, 11662, 12159, 14994, 17493, 18914, 19686, 22967, 24318, 28371, 29529, 34986, 45934, 52479, 56742, 59058, 66199, 68901, 85113, 104958, 132398, 137802, 160769, 170226, 198597, 206703, 321538, 397194, 413406, 482307, 595791, 964614, 1125383, 1191582, 1446921, 2250766, 2893842, 3376149, 6752298, 10128447, 20256894]

約数ペア:

[(1, 20256894), (2, 10128447), (3, 6752298), (6, 3376149), (7, 2893842), (9, 2250766), (14, 1446921), (17, 1191582), (18, 1125383), (21, 964614), (34, 595791), (42, 482307), (49, 413406), (51, 397194), (63, 321538), (98, 206703), (102, 198597), (119, 170226), (126, 160769), (147, 137802), (153, 132398), (193, 104958), (238, 85113), (294, 68901), (306, 66199), (343, 59058), (357, 56742), (386, 52479), (441, 45934), (579, 34986), (686, 29529), (714, 28371), (833, 24318), (882, 22967), (1029, 19686), (1071, 18914), (1158, 17493), (1351, 14994), (1666, 12159), (1737, 11662), (2058, 9843), (2142, 9457), (2499, 8106), (2702, 7497), (3087, 6562), (3281, 6174), (3474, 5831), (4053, 4998)]