20051009839

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{16421}}^1$

素因数の和:16807

約数の個数: 32

約数和(自身を含む): 25123295232

約数和(自身を除く): 5072285393

約数列:

[1, 7, 17, 31, 119, 217, 331, 527, 2317, 3689, 5627, 10261, 16421, 39389, 71827, 114947, 174437, 279157, 509051, 1221059, 1954099, 3563357, 5435351, 8653867, 38047457, 60577069, 92400967, 168495881, 646806769, 1179471167, 2864429977, 20051009839]

約数ペア:

[(1, 20051009839), (7, 2864429977), (17, 1179471167), (31, 646806769), (119, 168495881), (217, 92400967), (331, 60577069), (527, 38047457), (2317, 8653867), (3689, 5435351), (5627, 3563357), (10261, 1954099), (16421, 1221059), (39389, 509051), (71827, 279157), (114947, 174437)]