20928401280

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3633403}}^1$

素因数の和:3633428

約数の個数: 96

約数和(自身を含む): 72268405560

約数和(自身を除く): 51340004280

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, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 3633403, 7266806, 10900209, 14533612, 18167015, 21800418, 29067224, 32700627, 36334030, 43600836, 54501045, 58134448, 65401254, 72668060, 87201672, 109002090, 116268896, 130802508, 145336120, 163503135, 174403344, 218004180, 232537792, 261605016, 290672240, 327006270, 348806688, 436008360, 465075584, 523210032, 581344480, 654012540, 697613376, 872016720, 1046420064, 1162688960, 1308025080, 1395226752, 1744033440, 2092840128, 2325377920, 2616050160, 3488066880, 4185680256, 5232100320, 6976133760, 10464200640, 20928401280]

約数ペア:

[(1, 20928401280), (2, 10464200640), (3, 6976133760), (4, 5232100320), (5, 4185680256), (6, 3488066880), (8, 2616050160), (9, 2325377920), (10, 2092840128), (12, 1744033440), (15, 1395226752), (16, 1308025080), (18, 1162688960), (20, 1046420064), (24, 872016720), (30, 697613376), (32, 654012540), (36, 581344480), (40, 523210032), (45, 465075584), (48, 436008360), (60, 348806688), (64, 327006270), (72, 290672240), (80, 261605016), (90, 232537792), (96, 218004180), (120, 174403344), (128, 163503135), (144, 145336120), (160, 130802508), (180, 116268896), (192, 109002090), (240, 87201672), (288, 72668060), (320, 65401254), (360, 58134448), (384, 54501045), (480, 43600836), (576, 36334030), (640, 32700627), (720, 29067224), (960, 21800418), (1152, 18167015), (1440, 14533612), (1920, 10900209), (2880, 7266806), (5760, 3633403)]