20329144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 44789760

約数和(自身を除く): 24460616

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 107, 127, 136, 187, 214, 254, 374, 428, 508, 748, 856, 1016, 1177, 1397, 1496, 1819, 2159, 2354, 2794, 3638, 4318, 4708, 5588, 7276, 8636, 9416, 11176, 13589, 14552, 17272, 20009, 23749, 27178, 40018, 47498, 54356, 80036, 94996, 108712, 149479, 160072, 189992, 231013, 298958, 462026, 597916, 924052, 1195832, 1848104, 2541143, 5082286, 10164572, 20329144]

約数ペア:

[(1, 20329144), (2, 10164572), (4, 5082286), (8, 2541143), (11, 1848104), (17, 1195832), (22, 924052), (34, 597916), (44, 462026), (68, 298958), (88, 231013), (107, 189992), (127, 160072), (136, 149479), (187, 108712), (214, 94996), (254, 80036), (374, 54356), (428, 47498), (508, 40018), (748, 27178), (856, 23749), (1016, 20009), (1177, 17272), (1397, 14552), (1496, 13589), (1819, 11176), (2159, 9416), (2354, 8636), (2794, 7276), (3638, 5588), (4318, 4708)]