20189093120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2253247}}^1$

素因数の和:2253275

約数の個数: 72

約数和(自身を含む): 55267666944

約数和(自身を除く): 35078573824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 2253247, 4506494, 9012988, 11266235, 15772729, 18025976, 22532470, 31545458, 36051952, 45064940, 63090916, 72103904, 78863645, 90129880, 126181832, 144207808, 157727290, 180259760, 252363664, 288415616, 315454580, 360519520, 504727328, 576831232, 630909160, 721039040, 1009454656, 1261818320, 1442078080, 2018909312, 2523636640, 2884156160, 4037818624, 5047273280, 10094546560, 20189093120]

約数ペア:

[(1, 20189093120), (2, 10094546560), (4, 5047273280), (5, 4037818624), (7, 2884156160), (8, 2523636640), (10, 2018909312), (14, 1442078080), (16, 1261818320), (20, 1009454656), (28, 721039040), (32, 630909160), (35, 576831232), (40, 504727328), (56, 360519520), (64, 315454580), (70, 288415616), (80, 252363664), (112, 180259760), (128, 157727290), (140, 144207808), (160, 126181832), (224, 90129880), (256, 78863645), (280, 72103904), (320, 63090916), (448, 45064940), (560, 36051952), (640, 31545458), (896, 22532470), (1120, 18025976), (1280, 15772729), (1792, 11266235), (2240, 9012988), (4480, 4506494), (8960, 2253247)]