20593920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 68285952

約数和(自身を除く): 47692032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 173, 186, 192, 240, 248, 256, 310, 320, 346, 372, 384, 465, 480, 496, 519, 620, 640, 692, 744, 768, 865, 930, 960, 992, 1038, 1240, 1280, 1384, 1488, 1730, 1860, 1920, 1984, 2076, 2480, 2595, 2768, 2976, 3460, 3720, 3840, 3968, 4152, 4960, 5190, 5363, 5536, 5952, 6920, 7440, 7936, 8304, 9920, 10380, 10726, 11072, 11904, 13840, 14880, 16089, 16608, 19840, 20760, 21452, 22144, 23808, 26815, 27680, 29760, 32178, 33216, 39680, 41520, 42904, 44288, 53630, 55360, 59520, 64356, 66432, 80445, 83040, 85808, 107260, 110720, 119040, 128712, 132864, 160890, 166080, 171616, 214520, 221440, 257424, 321780, 332160, 343232, 429040, 514848, 643560, 664320, 686464, 858080, 1029696, 1287120, 1372928, 1716160, 2059392, 2574240, 3432320, 4118784, 5148480, 6864640, 10296960, 20593920]

約数ペア:

[(1, 20593920), (2, 10296960), (3, 6864640), (4, 5148480), (5, 4118784), (6, 3432320), (8, 2574240), (10, 2059392), (12, 1716160), (15, 1372928), (16, 1287120), (20, 1029696), (24, 858080), (30, 686464), (31, 664320), (32, 643560), (40, 514848), (48, 429040), (60, 343232), (62, 332160), (64, 321780), (80, 257424), (93, 221440), (96, 214520), (120, 171616), (124, 166080), (128, 160890), (155, 132864), (160, 128712), (173, 119040), (186, 110720), (192, 107260), (240, 85808), (248, 83040), (256, 80445), (310, 66432), (320, 64356), (346, 59520), (372, 55360), (384, 53630), (465, 44288), (480, 42904), (496, 41520), (519, 39680), (620, 33216), (640, 32178), (692, 29760), (744, 27680), (768, 26815), (865, 23808), (930, 22144), (960, 21452), (992, 20760), (1038, 19840), (1240, 16608), (1280, 16089), (1384, 14880), (1488, 13840), (1730, 11904), (1860, 11072), (1920, 10726), (1984, 10380), (2076, 9920), (2480, 8304), (2595, 7936), (2768, 7440), (2976, 6920), (3460, 5952), (3720, 5536), (3840, 5363), (3968, 5190), (4152, 4960)]