20482080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:690

約数の個数: 96

約数和(自身を含む): 65536128

約数和(自身を除く): 45054048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 71, 80, 96, 120, 142, 160, 213, 240, 284, 355, 426, 480, 568, 601, 710, 852, 1065, 1136, 1202, 1420, 1704, 1803, 2130, 2272, 2404, 2840, 3005, 3408, 3606, 4260, 4808, 5680, 6010, 6816, 7212, 8520, 9015, 9616, 11360, 12020, 14424, 17040, 18030, 19232, 24040, 28848, 34080, 36060, 42671, 48080, 57696, 72120, 85342, 96160, 128013, 144240, 170684, 213355, 256026, 288480, 341368, 426710, 512052, 640065, 682736, 853420, 1024104, 1280130, 1365472, 1706840, 2048208, 2560260, 3413680, 4096416, 5120520, 6827360, 10241040, 20482080]

約数ペア:

[(1, 20482080), (2, 10241040), (3, 6827360), (4, 5120520), (5, 4096416), (6, 3413680), (8, 2560260), (10, 2048208), (12, 1706840), (15, 1365472), (16, 1280130), (20, 1024104), (24, 853420), (30, 682736), (32, 640065), (40, 512052), (48, 426710), (60, 341368), (71, 288480), (80, 256026), (96, 213355), (120, 170684), (142, 144240), (160, 128013), (213, 96160), (240, 85342), (284, 72120), (355, 57696), (426, 48080), (480, 42671), (568, 36060), (601, 34080), (710, 28848), (852, 24040), (1065, 19232), (1136, 18030), (1202, 17040), (1420, 14424), (1704, 12020), (1803, 11360), (2130, 9616), (2272, 9015), (2404, 8520), (2840, 7212), (3005, 6816), (3408, 6010), (3606, 5680), (4260, 4808)]