20975040

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7283}}^1$

素因数の和:7306

約数の個数: 84

約数和(自身を含む): 72155304

約数和(自身を除く): 51180264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7283, 14566, 21849, 29132, 36415, 43698, 58264, 65547, 72830, 87396, 109245, 116528, 131094, 145660, 174792, 218490, 233056, 262188, 291320, 327735, 349584, 436980, 466112, 524376, 582640, 655470, 699168, 873960, 1048752, 1165280, 1310940, 1398336, 1747920, 2097504, 2330560, 2621880, 3495840, 4195008, 5243760, 6991680, 10487520, 20975040]

約数ペア:

[(1, 20975040), (2, 10487520), (3, 6991680), (4, 5243760), (5, 4195008), (6, 3495840), (8, 2621880), (9, 2330560), (10, 2097504), (12, 1747920), (15, 1398336), (16, 1310940), (18, 1165280), (20, 1048752), (24, 873960), (30, 699168), (32, 655470), (36, 582640), (40, 524376), (45, 466112), (48, 436980), (60, 349584), (64, 327735), (72, 291320), (80, 262188), (90, 233056), (96, 218490), (120, 174792), (144, 145660), (160, 131094), (180, 116528), (192, 109245), (240, 87396), (288, 72830), (320, 65547), (360, 58264), (480, 43698), (576, 36415), (720, 29132), (960, 21849), (1440, 14566), (2880, 7283)]