20155338

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 51978240

約数和(自身を除く): 31822902

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 126, 142, 189, 213, 378, 426, 497, 639, 751, 994, 1278, 1491, 1502, 1917, 2253, 2982, 3834, 4473, 4506, 5257, 6759, 8946, 10514, 13419, 13518, 15771, 20277, 26838, 31542, 40554, 47313, 53321, 94626, 106642, 141939, 159963, 283878, 319926, 373247, 479889, 746494, 959778, 1119741, 1439667, 2239482, 2879334, 3359223, 6718446, 10077669, 20155338]

約数ペア:

[(1, 20155338), (2, 10077669), (3, 6718446), (6, 3359223), (7, 2879334), (9, 2239482), (14, 1439667), (18, 1119741), (21, 959778), (27, 746494), (42, 479889), (54, 373247), (63, 319926), (71, 283878), (126, 159963), (142, 141939), (189, 106642), (213, 94626), (378, 53321), (426, 47313), (497, 40554), (639, 31542), (751, 26838), (994, 20277), (1278, 15771), (1491, 13518), (1502, 13419), (1917, 10514), (2253, 8946), (2982, 6759), (3834, 5257), (4473, 4506)]