20172489587720

素因数分解:

$2^3\times 5^1\times {\mathrm{16693}}^1\times {\mathrm{30211001}}^1$

素因数の和:30227705

約数の個数: 32

約数和(自身を含む): 45390822064920

約数和(自身を除く): 25218332477200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 16693, 33386, 66772, 83465, 133544, 166930, 333860, 667720, 30211001, 60422002, 120844004, 151055005, 241688008, 302110010, 604220020, 1208440040, 504312239693, 1008624479386, 2017248958772, 2521561198465, 4034497917544, 5043122396930, 10086244793860, 20172489587720]

約数ペア:

[(1, 20172489587720), (2, 10086244793860), (4, 5043122396930), (5, 4034497917544), (8, 2521561198465), (10, 2017248958772), (20, 1008624479386), (40, 504312239693), (16693, 1208440040), (33386, 604220020), (66772, 302110010), (83465, 241688008), (133544, 151055005), (166930, 120844004), (333860, 60422002), (667720, 30211001)]