20176895879

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{19207}}^1$

素因数の和:19395

約数の個数: 32

約数和(自身を含む): 24546902016

約数和(自身を除く): 4370006137

約数列:

[1, 7, 31, 47, 103, 217, 329, 721, 1457, 3193, 4841, 10199, 19207, 22351, 33887, 134449, 150071, 595417, 902729, 1050497, 1978321, 4167919, 6319103, 13848247, 27984599, 61327951, 92981087, 195892193, 429295657, 650867609, 2882413697, 20176895879]

約数ペア:

[(1, 20176895879), (7, 2882413697), (31, 650867609), (47, 429295657), (103, 195892193), (217, 92981087), (329, 61327951), (721, 27984599), (1457, 13848247), (3193, 6319103), (4841, 4167919), (10199, 1978321), (19207, 1050497), (22351, 902729), (33887, 595417), (134449, 150071)]