20237279920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1768993}}^1$

素因数の和:1769030

約数の個数: 80

約数和(自身を含む): 55277524512

約数和(自身を除く): 35040244592

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 1768993, 3537986, 7075972, 8844965, 14151944, 17689930, 19458923, 22996909, 28303888, 35379860, 38917846, 45993818, 70759720, 77835692, 91987636, 97294615, 114984545, 141519440, 155671384, 183975272, 194589230, 229969090, 252965999, 311342768, 367950544, 389178460, 459938180, 505931998, 778356920, 919876360, 1011863996, 1264829995, 1556713840, 1839752720, 2023727992, 2529659990, 4047455984, 5059319980, 10118639960, 20237279920]

約数ペア:

[(1, 20237279920), (2, 10118639960), (4, 5059319980), (5, 4047455984), (8, 2529659990), (10, 2023727992), (11, 1839752720), (13, 1556713840), (16, 1264829995), (20, 1011863996), (22, 919876360), (26, 778356920), (40, 505931998), (44, 459938180), (52, 389178460), (55, 367950544), (65, 311342768), (80, 252965999), (88, 229969090), (104, 194589230), (110, 183975272), (130, 155671384), (143, 141519440), (176, 114984545), (208, 97294615), (220, 91987636), (260, 77835692), (286, 70759720), (440, 45993818), (520, 38917846), (572, 35379860), (715, 28303888), (880, 22996909), (1040, 19458923), (1144, 17689930), (1430, 14151944), (2288, 8844965), (2860, 7075972), (5720, 3537986), (11440, 1768993)]