20793480040

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{5146901}}^1$

素因数の和:5147013

約数の個数: 32

約数和(自身を含む): 47248560360

約数和(自身を除く): 26455080320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 5146901, 10293802, 20587604, 25734505, 41175208, 51469010, 102938020, 205876040, 519837001, 1039674002, 2079348004, 2599185005, 4158696008, 5198370010, 10396740020, 20793480040]

約数ペア:

[(1, 20793480040), (2, 10396740020), (4, 5198370010), (5, 4158696008), (8, 2599185005), (10, 2079348004), (20, 1039674002), (40, 519837001), (101, 205876040), (202, 102938020), (404, 51469010), (505, 41175208), (808, 25734505), (1010, 20587604), (2020, 10293802), (4040, 5146901)]