20482374

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 47443968

約数和(自身を除く): 26961594

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 103, 131, 138, 206, 253, 262, 309, 393, 506, 618, 759, 786, 1133, 1441, 1518, 2266, 2369, 2882, 3013, 3399, 4323, 4738, 6026, 6798, 7107, 8646, 9039, 13493, 14214, 18078, 26059, 26986, 33143, 40479, 52118, 66286, 78177, 80958, 99429, 148423, 156354, 198858, 296846, 310339, 445269, 620678, 890538, 931017, 1862034, 3413729, 6827458, 10241187, 20482374]

約数ペア:

[(1, 20482374), (2, 10241187), (3, 6827458), (6, 3413729), (11, 1862034), (22, 931017), (23, 890538), (33, 620678), (46, 445269), (66, 310339), (69, 296846), (103, 198858), (131, 156354), (138, 148423), (206, 99429), (253, 80958), (262, 78177), (309, 66286), (393, 52118), (506, 40479), (618, 33143), (759, 26986), (786, 26059), (1133, 18078), (1441, 14214), (1518, 13493), (2266, 9039), (2369, 8646), (2882, 7107), (3013, 6798), (3399, 6026), (4323, 4738)]