20177289220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{475207}}^1$

素因数の和:475420

約数の個数: 48

約数和(自身を含む): 46463937408

約数和(自身を除く): 26286648188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 193, 220, 386, 772, 965, 1930, 2123, 3860, 4246, 8492, 10615, 21230, 42460, 475207, 950414, 1900828, 2376035, 4752070, 5227277, 9504140, 10454554, 20909108, 26136385, 52272770, 91714951, 104545540, 183429902, 366859804, 458574755, 917149510, 1008864461, 1834299020, 2017728922, 4035457844, 5044322305, 10088644610, 20177289220]

約数ペア:

[(1, 20177289220), (2, 10088644610), (4, 5044322305), (5, 4035457844), (10, 2017728922), (11, 1834299020), (20, 1008864461), (22, 917149510), (44, 458574755), (55, 366859804), (110, 183429902), (193, 104545540), (220, 91714951), (386, 52272770), (772, 26136385), (965, 20909108), (1930, 10454554), (2123, 9504140), (3860, 5227277), (4246, 4752070), (8492, 2376035), (10615, 1900828), (21230, 950414), (42460, 475207)]