20480988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{9127}}^1$

素因数の和:9162

約数の個数: 48

約数和(自身を含む): 55206144

約数和(自身を除く): 34725156

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 132, 187, 204, 374, 561, 748, 1122, 2244, 9127, 18254, 27381, 36508, 54762, 100397, 109524, 155159, 200794, 301191, 310318, 401588, 465477, 602382, 620636, 930954, 1204764, 1706749, 1861908, 3413498, 5120247, 6826996, 10240494, 20480988]

約数ペア:

[(1, 20480988), (2, 10240494), (3, 6826996), (4, 5120247), (6, 3413498), (11, 1861908), (12, 1706749), (17, 1204764), (22, 930954), (33, 620636), (34, 602382), (44, 465477), (51, 401588), (66, 310318), (68, 301191), (102, 200794), (132, 155159), (187, 109524), (204, 100397), (374, 54762), (561, 36508), (748, 27381), (1122, 18254), (2244, 9127)]