20156335787

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{7963}}^1$

素因数の和:8315

約数の個数: 32

約数和(自身を含む): 24771225600

約数和(自身を除く): 4614889813

約数列:

[1, 7, 17, 89, 119, 239, 623, 1513, 1673, 4063, 7963, 10591, 21271, 28441, 55741, 135371, 148897, 361607, 708707, 947597, 1903157, 2531249, 4960949, 12048019, 13322099, 32353669, 84336133, 169380973, 226475683, 1185666811, 2879476541, 20156335787]

約数ペア:

[(1, 20156335787), (7, 2879476541), (17, 1185666811), (89, 226475683), (119, 169380973), (239, 84336133), (623, 32353669), (1513, 13322099), (1673, 12048019), (4063, 4960949), (7963, 2531249), (10591, 1903157), (21271, 947597), (28441, 708707), (55741, 361607), (135371, 148897)]