20135851778

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{155137}}^1$

素因数の和:155346

約数の個数: 32

約数和(自身を含む): 35267211264

約数和(自身を除く): 15131359486

約数列:

[1, 2, 7, 14, 73, 127, 146, 254, 511, 889, 1022, 1778, 9271, 18542, 64897, 129794, 155137, 310274, 1085959, 2171918, 11325001, 19702399, 22650002, 39404798, 79275007, 137916793, 158550014, 275833586, 1438275127, 2876550254, 10067925889, 20135851778]

約数ペア:

[(1, 20135851778), (2, 10067925889), (7, 2876550254), (14, 1438275127), (73, 275833586), (127, 158550014), (146, 137916793), (254, 79275007), (511, 39404798), (889, 22650002), (1022, 19702399), (1778, 11325001), (9271, 2171918), (18542, 1085959), (64897, 310274), (129794, 155137)]