20047874

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^2$

素因数の和:183

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 19324606

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 67, 77, 134, 154, 203, 319, 406, 469, 638, 737, 938, 1474, 1943, 2233, 3886, 4466, 4489, 5159, 8978, 10318, 13601, 21373, 27202, 31423, 42746, 49379, 62846, 98758, 130181, 149611, 260362, 299222, 345653, 691306, 911267, 1431991, 1822534, 2863982, 10023937, 20047874]

約数ペア:

[(1, 20047874), (2, 10023937), (7, 2863982), (11, 1822534), (14, 1431991), (22, 911267), (29, 691306), (58, 345653), (67, 299222), (77, 260362), (134, 149611), (154, 130181), (203, 98758), (319, 62846), (406, 49379), (469, 42746), (638, 31423), (737, 27202), (938, 21373), (1474, 13601), (1943, 10318), (2233, 8978), (3886, 5159), (4466, 4489)]