20783378

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7103}}^1$

素因数の和:7142

約数の個数: 32

約数和(自身を含む): 40919040

約数和(自身を除く): 20135662

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 7103, 14206, 49721, 78133, 99442, 134957, 156266, 269914, 546931, 944699, 1093862, 1484527, 1889398, 2969054, 10391689, 20783378]

約数ペア:

[(1, 20783378), (2, 10391689), (7, 2969054), (11, 1889398), (14, 1484527), (19, 1093862), (22, 944699), (38, 546931), (77, 269914), (133, 156266), (154, 134957), (209, 99442), (266, 78133), (418, 49721), (1463, 14206), (2926, 7103)]