20219520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10531}}^1$

素因数の和:10553

約数の個数: 64

約数和(自身を含む): 64455840

約数和(自身を除く): 44236320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10531, 21062, 31593, 42124, 52655, 63186, 84248, 105310, 126372, 157965, 168496, 210620, 252744, 315930, 336992, 421240, 505488, 631860, 673984, 842480, 1010976, 1263720, 1347968, 1684960, 2021952, 2527440, 3369920, 4043904, 5054880, 6739840, 10109760, 20219520]

約数ペア:

[(1, 20219520), (2, 10109760), (3, 6739840), (4, 5054880), (5, 4043904), (6, 3369920), (8, 2527440), (10, 2021952), (12, 1684960), (15, 1347968), (16, 1263720), (20, 1010976), (24, 842480), (30, 673984), (32, 631860), (40, 505488), (48, 421240), (60, 336992), (64, 315930), (80, 252744), (96, 210620), (120, 168496), (128, 157965), (160, 126372), (192, 105310), (240, 84248), (320, 63186), (384, 52655), (480, 42124), (640, 31593), (960, 21062), (1920, 10531)]