20287680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3019}}^1$

素因数の和:3046

約数の個数: 112

約数和(自身を含む): 73639680

約数和(自身を除く): 53352000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3019, 3360, 6038, 6720, 9057, 12076, 15095, 18114, 21133, 24152, 30190, 36228, 42266, 45285, 48304, 60380, 63399, 72456, 84532, 90570, 96608, 105665, 120760, 126798, 144912, 169064, 181140, 193216, 211330, 241520, 253596, 289824, 316995, 338128, 362280, 422660, 483040, 507192, 579648, 633990, 676256, 724560, 845320, 966080, 1014384, 1267980, 1352512, 1449120, 1690640, 2028768, 2535960, 2898240, 3381280, 4057536, 5071920, 6762560, 10143840, 20287680]

約数ペア:

[(1, 20287680), (2, 10143840), (3, 6762560), (4, 5071920), (5, 4057536), (6, 3381280), (7, 2898240), (8, 2535960), (10, 2028768), (12, 1690640), (14, 1449120), (15, 1352512), (16, 1267980), (20, 1014384), (21, 966080), (24, 845320), (28, 724560), (30, 676256), (32, 633990), (35, 579648), (40, 507192), (42, 483040), (48, 422660), (56, 362280), (60, 338128), (64, 316995), (70, 289824), (80, 253596), (84, 241520), (96, 211330), (105, 193216), (112, 181140), (120, 169064), (140, 144912), (160, 126798), (168, 120760), (192, 105665), (210, 96608), (224, 90570), (240, 84532), (280, 72456), (320, 63399), (336, 60380), (420, 48304), (448, 45285), (480, 42266), (560, 36228), (672, 30190), (840, 24152), (960, 21133), (1120, 18114), (1344, 15095), (1680, 12076), (2240, 9057), (3019, 6720), (3360, 6038)]