20828160

素因数分解:

$2^{12}\times 3^2\times 5^1\times {\mathrm{113}}^1$

素因数の和:148

約数の個数: 156

約数和(自身を含む): 72834372

約数和(自身を除く): 52006212

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, 113, 120, 128, 144, 160, 180, 192, 226, 240, 256, 288, 320, 339, 360, 384, 452, 480, 512, 565, 576, 640, 678, 720, 768, 904, 960, 1017, 1024, 1130, 1152, 1280, 1356, 1440, 1536, 1695, 1808, 1920, 2034, 2048, 2260, 2304, 2560, 2712, 2880, 3072, 3390, 3616, 3840, 4068, 4096, 4520, 4608, 5085, 5120, 5424, 5760, 6144, 6780, 7232, 7680, 8136, 9040, 9216, 10170, 10240, 10848, 11520, 12288, 13560, 14464, 15360, 16272, 18080, 18432, 20340, 20480, 21696, 23040, 27120, 28928, 30720, 32544, 36160, 36864, 40680, 43392, 46080, 54240, 57856, 61440, 65088, 72320, 81360, 86784, 92160, 108480, 115712, 130176, 144640, 162720, 173568, 184320, 216960, 231424, 260352, 289280, 325440, 347136, 433920, 462848, 520704, 578560, 650880, 694272, 867840, 1041408, 1157120, 1301760, 1388544, 1735680, 2082816, 2314240, 2603520, 3471360, 4165632, 5207040, 6942720, 10414080, 20828160]

約数ペア:

[(1, 20828160), (2, 10414080), (3, 6942720), (4, 5207040), (5, 4165632), (6, 3471360), (8, 2603520), (9, 2314240), (10, 2082816), (12, 1735680), (15, 1388544), (16, 1301760), (18, 1157120), (20, 1041408), (24, 867840), (30, 694272), (32, 650880), (36, 578560), (40, 520704), (45, 462848), (48, 433920), (60, 347136), (64, 325440), (72, 289280), (80, 260352), (90, 231424), (96, 216960), (113, 184320), (120, 173568), (128, 162720), (144, 144640), (160, 130176), (180, 115712), (192, 108480), (226, 92160), (240, 86784), (256, 81360), (288, 72320), (320, 65088), (339, 61440), (360, 57856), (384, 54240), (452, 46080), (480, 43392), (512, 40680), (565, 36864), (576, 36160), (640, 32544), (678, 30720), (720, 28928), (768, 27120), (904, 23040), (960, 21696), (1017, 20480), (1024, 20340), (1130, 18432), (1152, 18080), (1280, 16272), (1356, 15360), (1440, 14464), (1536, 13560), (1695, 12288), (1808, 11520), (1920, 10848), (2034, 10240), (2048, 10170), (2260, 9216), (2304, 9040), (2560, 8136), (2712, 7680), (2880, 7232), (3072, 6780), (3390, 6144), (3616, 5760), (3840, 5424), (4068, 5120), (4096, 5085), (4520, 4608)]