20785410

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:469

約数の個数: 80

約数和(自身を含む): 56871936

約数和(自身を除く): 36086526

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 67, 81, 90, 134, 135, 162, 201, 270, 335, 383, 402, 405, 603, 670, 766, 810, 1005, 1149, 1206, 1809, 1915, 2010, 2298, 3015, 3447, 3618, 3830, 5427, 5745, 6030, 6894, 9045, 10341, 10854, 11490, 17235, 18090, 20682, 25661, 27135, 31023, 34470, 51322, 51705, 54270, 62046, 76983, 103410, 128305, 153966, 155115, 230949, 256610, 310230, 384915, 461898, 692847, 769830, 1154745, 1385694, 2078541, 2309490, 3464235, 4157082, 6928470, 10392705, 20785410]

約数ペア:

[(1, 20785410), (2, 10392705), (3, 6928470), (5, 4157082), (6, 3464235), (9, 2309490), (10, 2078541), (15, 1385694), (18, 1154745), (27, 769830), (30, 692847), (45, 461898), (54, 384915), (67, 310230), (81, 256610), (90, 230949), (134, 155115), (135, 153966), (162, 128305), (201, 103410), (270, 76983), (335, 62046), (383, 54270), (402, 51705), (405, 51322), (603, 34470), (670, 31023), (766, 27135), (810, 25661), (1005, 20682), (1149, 18090), (1206, 17235), (1809, 11490), (1915, 10854), (2010, 10341), (2298, 9045), (3015, 6894), (3447, 6030), (3618, 5745), (3830, 5427)]