20508432

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{911}}^1$

素因数の和:996

約数の個数: 80

約数和(自身を含む): 61519872

約数和(自身を除く): 41011440

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 67, 84, 112, 134, 168, 201, 268, 336, 402, 469, 536, 804, 911, 938, 1072, 1407, 1608, 1822, 1876, 2733, 2814, 3216, 3644, 3752, 5466, 5628, 6377, 7288, 7504, 10932, 11256, 12754, 14576, 19131, 21864, 22512, 25508, 38262, 43728, 51016, 61037, 76524, 102032, 122074, 153048, 183111, 244148, 306096, 366222, 427259, 488296, 732444, 854518, 976592, 1281777, 1464888, 1709036, 2563554, 2929776, 3418072, 5127108, 6836144, 10254216, 20508432]

約数ペア:

[(1, 20508432), (2, 10254216), (3, 6836144), (4, 5127108), (6, 3418072), (7, 2929776), (8, 2563554), (12, 1709036), (14, 1464888), (16, 1281777), (21, 976592), (24, 854518), (28, 732444), (42, 488296), (48, 427259), (56, 366222), (67, 306096), (84, 244148), (112, 183111), (134, 153048), (168, 122074), (201, 102032), (268, 76524), (336, 61037), (402, 51016), (469, 43728), (536, 38262), (804, 25508), (911, 22512), (938, 21864), (1072, 19131), (1407, 14576), (1608, 12754), (1822, 11256), (1876, 10932), (2733, 7504), (2814, 7288), (3216, 6377), (3644, 5628), (3752, 5466)]