20219445360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1220981}}^1$

素因数の和:1221023

約数の個数: 120

約数和(自身を含む): 70856027424

約数和(自身を除く): 50636582064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 5520, 8280, 16560, 1220981, 2441962, 3662943, 4883924, 6104905, 7325886, 9767848, 10988829, 12209810, 14651772, 18314715, 19535696, 21977658, 24419620, 28082563, 29303544, 36629430, 43955316, 48839240, 54944145, 56165126, 58607088, 73258860, 84247689, 87910632, 97678480, 109888290, 112330252, 140412815, 146517720, 168495378, 175821264, 219776580, 224660504, 252743067, 280825630, 293035440, 336990756, 421238445, 439553160, 449321008, 505486134, 561651260, 673981512, 842476890, 879106320, 1010972268, 1123302520, 1263715335, 1347963024, 1684953780, 2021944536, 2246605040, 2527430670, 3369907560, 4043889072, 5054861340, 6739815120, 10109722680, 20219445360]

約数ペア:

[(1, 20219445360), (2, 10109722680), (3, 6739815120), (4, 5054861340), (5, 4043889072), (6, 3369907560), (8, 2527430670), (9, 2246605040), (10, 2021944536), (12, 1684953780), (15, 1347963024), (16, 1263715335), (18, 1123302520), (20, 1010972268), (23, 879106320), (24, 842476890), (30, 673981512), (36, 561651260), (40, 505486134), (45, 449321008), (46, 439553160), (48, 421238445), (60, 336990756), (69, 293035440), (72, 280825630), (80, 252743067), (90, 224660504), (92, 219776580), (115, 175821264), (120, 168495378), (138, 146517720), (144, 140412815), (180, 112330252), (184, 109888290), (207, 97678480), (230, 87910632), (240, 84247689), (276, 73258860), (345, 58607088), (360, 56165126), (368, 54944145), (414, 48839240), (460, 43955316), (552, 36629430), (690, 29303544), (720, 28082563), (828, 24419620), (920, 21977658), (1035, 19535696), (1104, 18314715), (1380, 14651772), (1656, 12209810), (1840, 10988829), (2070, 9767848), (2760, 7325886), (3312, 6104905), (4140, 4883924), (5520, 3662943), (8280, 2441962), (16560, 1220981)]