20128099558

素因数分解:

$2^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{329677}}^1$

素因数の和:329789

約数の個数: 32

約数和(自身を含む): 35605224000

約数和(自身を除く): 15477124442

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 343, 623, 686, 1246, 4361, 8722, 30527, 61054, 329677, 659354, 2307739, 4615478, 16154173, 29341253, 32308346, 58682506, 113079211, 205388771, 226158422, 410777542, 1437721397, 2875442794, 10064049779, 20128099558]

約数ペア:

[(1, 20128099558), (2, 10064049779), (7, 2875442794), (14, 1437721397), (49, 410777542), (89, 226158422), (98, 205388771), (178, 113079211), (343, 58682506), (623, 32308346), (686, 29341253), (1246, 16154173), (4361, 4615478), (8722, 2307739), (30527, 659354), (61054, 329677)]