20213771260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1\times {\mathrm{479}}^1$

素因数の和:1171

約数の個数: 96

約数和(自身を含む): 44706816000

約数和(自身を除く): 24493044740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 199, 230, 398, 460, 461, 479, 796, 922, 958, 995, 1844, 1916, 1990, 2305, 2395, 3980, 4577, 4610, 4790, 9154, 9220, 9580, 10603, 11017, 18308, 21206, 22034, 22885, 42412, 44068, 45770, 53015, 55085, 91540, 91739, 95321, 106030, 110170, 183478, 190642, 212060, 220340, 220819, 366956, 381284, 441638, 458695, 476605, 883276, 917390, 953210, 1104095, 1834780, 1906420, 2109997, 2192383, 2208190, 4219994, 4384766, 4416380, 5078837, 8439988, 8769532, 10157674, 10549985, 10961915, 20315348, 21099970, 21923830, 25394185, 42199940, 43847660, 43942981, 50788370, 87885962, 101576740, 175771924, 219714905, 439429810, 878859620, 1010688563, 2021377126, 4042754252, 5053442815, 10106885630, 20213771260]

約数ペア:

[(1, 20213771260), (2, 10106885630), (4, 5053442815), (5, 4042754252), (10, 2021377126), (20, 1010688563), (23, 878859620), (46, 439429810), (92, 219714905), (115, 175771924), (199, 101576740), (230, 87885962), (398, 50788370), (460, 43942981), (461, 43847660), (479, 42199940), (796, 25394185), (922, 21923830), (958, 21099970), (995, 20315348), (1844, 10961915), (1916, 10549985), (1990, 10157674), (2305, 8769532), (2395, 8439988), (3980, 5078837), (4577, 4416380), (4610, 4384766), (4790, 4219994), (9154, 2208190), (9220, 2192383), (9580, 2109997), (10603, 1906420), (11017, 1834780), (18308, 1104095), (21206, 953210), (22034, 917390), (22885, 883276), (42412, 476605), (44068, 458695), (45770, 441638), (53015, 381284), (55085, 366956), (91540, 220819), (91739, 220340), (95321, 212060), (106030, 190642), (110170, 183478)]