20171939780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{87181}}^1$

素因数の和:87716

約数の個数: 48

約数和(自身を含む): 44291245824

約数和(自身を除く): 24119306044

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 503, 1006, 2012, 2515, 5030, 10060, 11569, 23138, 46276, 57845, 87181, 115690, 174362, 231380, 348724, 435905, 871810, 1743620, 2005163, 4010326, 8020652, 10025815, 20051630, 40103260, 43852043, 87704086, 175408172, 219260215, 438520430, 877040860, 1008596989, 2017193978, 4034387956, 5042984945, 10085969890, 20171939780]

約数ペア:

[(1, 20171939780), (2, 10085969890), (4, 5042984945), (5, 4034387956), (10, 2017193978), (20, 1008596989), (23, 877040860), (46, 438520430), (92, 219260215), (115, 175408172), (230, 87704086), (460, 43852043), (503, 40103260), (1006, 20051630), (2012, 10025815), (2515, 8020652), (5030, 4010326), (10060, 2005163), (11569, 1743620), (23138, 871810), (46276, 435905), (57845, 348724), (87181, 231380), (115690, 174362)]