20343120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12109}}^1$

素因数の和:12132

約数の個数: 80

約数和(自身を含む): 72078720

約数和(自身を除く): 51735600

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, 12109, 24218, 36327, 48436, 60545, 72654, 84763, 96872, 121090, 145308, 169526, 181635, 193744, 242180, 254289, 290616, 339052, 363270, 423815, 484360, 508578, 581232, 678104, 726540, 847630, 968720, 1017156, 1271445, 1356208, 1453080, 1695260, 2034312, 2542890, 2906160, 3390520, 4068624, 5085780, 6781040, 10171560, 20343120]

約数ペア:

[(1, 20343120), (2, 10171560), (3, 6781040), (4, 5085780), (5, 4068624), (6, 3390520), (7, 2906160), (8, 2542890), (10, 2034312), (12, 1695260), (14, 1453080), (15, 1356208), (16, 1271445), (20, 1017156), (21, 968720), (24, 847630), (28, 726540), (30, 678104), (35, 581232), (40, 508578), (42, 484360), (48, 423815), (56, 363270), (60, 339052), (70, 290616), (80, 254289), (84, 242180), (105, 193744), (112, 181635), (120, 169526), (140, 145308), (168, 121090), (210, 96872), (240, 84763), (280, 72654), (336, 60545), (420, 48436), (560, 36327), (840, 24218), (1680, 12109)]