20187720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8011}}^1$

素因数の和:8035

約数の個数: 96

約数和(自身を含む): 74992320

約数和(自身を除く): 54804600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8011, 16022, 24033, 32044, 40055, 48066, 56077, 64088, 72099, 80110, 96132, 112154, 120165, 144198, 160220, 168231, 192264, 224308, 240330, 280385, 288396, 320440, 336462, 360495, 448616, 480660, 504693, 560770, 576792, 672924, 720990, 841155, 961320, 1009386, 1121540, 1345848, 1441980, 1682310, 2018772, 2243080, 2523465, 2883960, 3364620, 4037544, 5046930, 6729240, 10093860, 20187720]

約数ペア:

[(1, 20187720), (2, 10093860), (3, 6729240), (4, 5046930), (5, 4037544), (6, 3364620), (7, 2883960), (8, 2523465), (9, 2243080), (10, 2018772), (12, 1682310), (14, 1441980), (15, 1345848), (18, 1121540), (20, 1009386), (21, 961320), (24, 841155), (28, 720990), (30, 672924), (35, 576792), (36, 560770), (40, 504693), (42, 480660), (45, 448616), (56, 360495), (60, 336462), (63, 320440), (70, 288396), (72, 280385), (84, 240330), (90, 224308), (105, 192264), (120, 168231), (126, 160220), (140, 144198), (168, 120165), (180, 112154), (210, 96132), (252, 80110), (280, 72099), (315, 64088), (360, 56077), (420, 48066), (504, 40055), (630, 32044), (840, 24033), (1260, 16022), (2520, 8011)]