20010156

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2087}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 50512896

約数和(自身を除く): 30502740

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 47, 51, 68, 94, 102, 141, 188, 204, 282, 564, 799, 1598, 2087, 2397, 3196, 4174, 4794, 6261, 8348, 9588, 12522, 25044, 35479, 70958, 98089, 106437, 141916, 196178, 212874, 294267, 392356, 425748, 588534, 1177068, 1667513, 3335026, 5002539, 6670052, 10005078, 20010156]

約数ペア:

[(1, 20010156), (2, 10005078), (3, 6670052), (4, 5002539), (6, 3335026), (12, 1667513), (17, 1177068), (34, 588534), (47, 425748), (51, 392356), (68, 294267), (94, 212874), (102, 196178), (141, 141916), (188, 106437), (204, 98089), (282, 70958), (564, 35479), (799, 25044), (1598, 12522), (2087, 9588), (2397, 8348), (3196, 6261), (4174, 4794)]