20067355

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1109}}^1$

素因数の和:1179

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 10621925

約数列:

[1, 5, 7, 11, 35, 47, 55, 77, 235, 329, 385, 517, 1109, 1645, 2585, 3619, 5545, 7763, 12199, 18095, 38815, 52123, 60995, 85393, 260615, 364861, 426965, 573353, 1824305, 2866765, 4013471, 20067355]

約数ペア:

[(1, 20067355), (5, 4013471), (7, 2866765), (11, 1824305), (35, 573353), (47, 426965), (55, 364861), (77, 260615), (235, 85393), (329, 60995), (385, 52123), (517, 38815), (1109, 18095), (1645, 12199), (2585, 7763), (3619, 5545)]