20512671144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{639263}}^1$

素因数の和:639470

約数の個数: 64

約数和(自身を含む): 58914570240

約数和(自身を除く): 38401899096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 191, 382, 573, 764, 1146, 1337, 1528, 2292, 2674, 4011, 4584, 5348, 8022, 10696, 16044, 32088, 639263, 1278526, 1917789, 2557052, 3835578, 4474841, 5114104, 7671156, 8949682, 13424523, 15342312, 17899364, 26849046, 35798728, 53698092, 107396184, 122099233, 244198466, 366297699, 488396932, 732595398, 854694631, 976793864, 1465190796, 1709389262, 2564083893, 2930381592, 3418778524, 5128167786, 6837557048, 10256335572, 20512671144]

約数ペア:

[(1, 20512671144), (2, 10256335572), (3, 6837557048), (4, 5128167786), (6, 3418778524), (7, 2930381592), (8, 2564083893), (12, 1709389262), (14, 1465190796), (21, 976793864), (24, 854694631), (28, 732595398), (42, 488396932), (56, 366297699), (84, 244198466), (168, 122099233), (191, 107396184), (382, 53698092), (573, 35798728), (764, 26849046), (1146, 17899364), (1337, 15342312), (1528, 13424523), (2292, 8949682), (2674, 7671156), (4011, 5114104), (4584, 4474841), (5348, 3835578), (8022, 2557052), (10696, 1917789), (16044, 1278526), (32088, 639263)]