20254865378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1\times {\mathrm{64969}}^1$

素因数の和:65402

約数の個数: 32

約数和(自身を含む): 34129520640

約数和(自身を除く): 13874655262

約数列:

[1, 2, 11, 22, 37, 74, 383, 407, 766, 814, 4213, 8426, 14171, 28342, 64969, 129938, 155881, 311762, 714659, 1429318, 2403853, 4807706, 24883127, 26442383, 49766254, 52884766, 273714397, 547428794, 920675699, 1841351398, 10127432689, 20254865378]

約数ペア:

[(1, 20254865378), (2, 10127432689), (11, 1841351398), (22, 920675699), (37, 547428794), (74, 273714397), (383, 52884766), (407, 49766254), (766, 26442383), (814, 24883127), (4213, 4807706), (8426, 2403853), (14171, 1429318), (28342, 714659), (64969, 311762), (129938, 155881)]