20508480

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7121}}^1$

素因数の和:7144

約数の個数: 84

約数和(自身を含む): 70550532

約数和(自身を除く): 50042052

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7121, 14242, 21363, 28484, 35605, 42726, 56968, 64089, 71210, 85452, 106815, 113936, 128178, 142420, 170904, 213630, 227872, 256356, 284840, 320445, 341808, 427260, 455744, 512712, 569680, 640890, 683616, 854520, 1025424, 1139360, 1281780, 1367232, 1709040, 2050848, 2278720, 2563560, 3418080, 4101696, 5127120, 6836160, 10254240, 20508480]

約数ペア:

[(1, 20508480), (2, 10254240), (3, 6836160), (4, 5127120), (5, 4101696), (6, 3418080), (8, 2563560), (9, 2278720), (10, 2050848), (12, 1709040), (15, 1367232), (16, 1281780), (18, 1139360), (20, 1025424), (24, 854520), (30, 683616), (32, 640890), (36, 569680), (40, 512712), (45, 455744), (48, 427260), (60, 341808), (64, 320445), (72, 284840), (80, 256356), (90, 227872), (96, 213630), (120, 170904), (144, 142420), (160, 128178), (180, 113936), (192, 106815), (240, 85452), (288, 71210), (320, 64089), (360, 56968), (480, 42726), (576, 35605), (720, 28484), (960, 21363), (1440, 14242), (2880, 7121)]