20178480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12011}}^1$

素因数の和:12034

約数の個数: 80

約数和(自身を含む): 71495424

約数和(自身を除く): 51316944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12011, 24022, 36033, 48044, 60055, 72066, 84077, 96088, 120110, 144132, 168154, 180165, 192176, 240220, 252231, 288264, 336308, 360330, 420385, 480440, 504462, 576528, 672616, 720660, 840770, 960880, 1008924, 1261155, 1345232, 1441320, 1681540, 2017848, 2522310, 2882640, 3363080, 4035696, 5044620, 6726160, 10089240, 20178480]

約数ペア:

[(1, 20178480), (2, 10089240), (3, 6726160), (4, 5044620), (5, 4035696), (6, 3363080), (7, 2882640), (8, 2522310), (10, 2017848), (12, 1681540), (14, 1441320), (15, 1345232), (16, 1261155), (20, 1008924), (21, 960880), (24, 840770), (28, 720660), (30, 672616), (35, 576528), (40, 504462), (42, 480440), (48, 420385), (56, 360330), (60, 336308), (70, 288264), (80, 252231), (84, 240220), (105, 192176), (112, 180165), (120, 168154), (140, 144132), (168, 120110), (210, 96088), (240, 84077), (280, 72066), (336, 60055), (420, 48044), (560, 36033), (840, 24022), (1680, 12011)]