20167680

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:142

約数の個数: 176

約数和(自身を含む): 70154784

約数和(自身を除く): 49987104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 101, 104, 120, 128, 130, 156, 160, 192, 195, 202, 208, 240, 256, 260, 303, 312, 320, 384, 390, 404, 416, 480, 505, 512, 520, 606, 624, 640, 768, 780, 808, 832, 960, 1010, 1024, 1040, 1212, 1248, 1280, 1313, 1515, 1536, 1560, 1616, 1664, 1920, 2020, 2080, 2424, 2496, 2560, 2626, 3030, 3072, 3120, 3232, 3328, 3840, 3939, 4040, 4160, 4848, 4992, 5120, 5252, 6060, 6240, 6464, 6565, 6656, 7680, 7878, 8080, 8320, 9696, 9984, 10504, 12120, 12480, 12928, 13130, 13312, 15360, 15756, 16160, 16640, 19392, 19695, 19968, 21008, 24240, 24960, 25856, 26260, 31512, 32320, 33280, 38784, 39390, 39936, 42016, 48480, 49920, 51712, 52520, 63024, 64640, 66560, 77568, 78780, 84032, 96960, 99840, 103424, 105040, 126048, 129280, 155136, 157560, 168064, 193920, 199680, 210080, 252096, 258560, 310272, 315120, 336128, 387840, 420160, 504192, 517120, 630240, 672256, 775680, 840320, 1008384, 1260480, 1344512, 1551360, 1680640, 2016768, 2520960, 3361280, 4033536, 5041920, 6722560, 10083840, 20167680]

約数ペア:

[(1, 20167680), (2, 10083840), (3, 6722560), (4, 5041920), (5, 4033536), (6, 3361280), (8, 2520960), (10, 2016768), (12, 1680640), (13, 1551360), (15, 1344512), (16, 1260480), (20, 1008384), (24, 840320), (26, 775680), (30, 672256), (32, 630240), (39, 517120), (40, 504192), (48, 420160), (52, 387840), (60, 336128), (64, 315120), (65, 310272), (78, 258560), (80, 252096), (96, 210080), (101, 199680), (104, 193920), (120, 168064), (128, 157560), (130, 155136), (156, 129280), (160, 126048), (192, 105040), (195, 103424), (202, 99840), (208, 96960), (240, 84032), (256, 78780), (260, 77568), (303, 66560), (312, 64640), (320, 63024), (384, 52520), (390, 51712), (404, 49920), (416, 48480), (480, 42016), (505, 39936), (512, 39390), (520, 38784), (606, 33280), (624, 32320), (640, 31512), (768, 26260), (780, 25856), (808, 24960), (832, 24240), (960, 21008), (1010, 19968), (1024, 19695), (1040, 19392), (1212, 16640), (1248, 16160), (1280, 15756), (1313, 15360), (1515, 13312), (1536, 13130), (1560, 12928), (1616, 12480), (1664, 12120), (1920, 10504), (2020, 9984), (2080, 9696), (2424, 8320), (2496, 8080), (2560, 7878), (2626, 7680), (3030, 6656), (3072, 6565), (3120, 6464), (3232, 6240), (3328, 6060), (3840, 5252), (3939, 5120), (4040, 4992), (4160, 4848)]