20808880320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21675917}}^1$

素因数の和:21675937

約数の個数: 56

約数和(自身を含む): 66068198064

約数和(自身を除く): 45259317744

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, 160, 192, 240, 320, 480, 960, 21675917, 43351834, 65027751, 86703668, 108379585, 130055502, 173407336, 216759170, 260111004, 325138755, 346814672, 433518340, 520222008, 650277510, 693629344, 867036680, 1040444016, 1300555020, 1387258688, 1734073360, 2080888032, 2601110040, 3468146720, 4161776064, 5202220080, 6936293440, 10404440160, 20808880320]

約数ペア:

[(1, 20808880320), (2, 10404440160), (3, 6936293440), (4, 5202220080), (5, 4161776064), (6, 3468146720), (8, 2601110040), (10, 2080888032), (12, 1734073360), (15, 1387258688), (16, 1300555020), (20, 1040444016), (24, 867036680), (30, 693629344), (32, 650277510), (40, 520222008), (48, 433518340), (60, 346814672), (64, 325138755), (80, 260111004), (96, 216759170), (120, 173407336), (160, 130055502), (192, 108379585), (240, 86703668), (320, 65027751), (480, 43351834), (960, 21675917)]