16720214

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 30606336

約数和(自身を除く): 13886122

約数列:

[1, 2, 7, 14, 17, 34, 119, 163, 238, 326, 431, 862, 1141, 2282, 2771, 3017, 5542, 6034, 7327, 14654, 19397, 38794, 51289, 70253, 102578, 140506, 491771, 983542, 1194301, 2388602, 8360107, 16720214]

約数ペア:

[(1, 16720214), (2, 8360107), (7, 2388602), (14, 1194301), (17, 983542), (34, 491771), (119, 140506), (163, 102578), (238, 70253), (326, 51289), (431, 38794), (862, 19397), (1141, 14654), (2282, 7327), (2771, 6034), (3017, 5542)]