20175308020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2941007}}^1$

素因数の和:2941037

約数の個数: 48

約数和(自身を含む): 49408934400

約数和(自身を除く): 29233626380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 2941007, 5882014, 11764028, 14705035, 20587049, 29410070, 41174098, 58820140, 82348196, 102935245, 144109343, 205870490, 288218686, 411740980, 576437372, 720546715, 1008765401, 1441093430, 2017530802, 2882186860, 4035061604, 5043827005, 10087654010, 20175308020]

約数ペア:

[(1, 20175308020), (2, 10087654010), (4, 5043827005), (5, 4035061604), (7, 2882186860), (10, 2017530802), (14, 1441093430), (20, 1008765401), (28, 720546715), (35, 576437372), (49, 411740980), (70, 288218686), (98, 205870490), (140, 144109343), (196, 102935245), (245, 82348196), (343, 58820140), (490, 41174098), (686, 29410070), (980, 20587049), (1372, 14705035), (1715, 11764028), (3430, 5882014), (6860, 2941007)]