20571544

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8543}}^1$

素因数の和:8599

約数の個数: 32

約数和(自身を含む): 45112320

約数和(自身を除く): 24540776

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8543, 17086, 34172, 59801, 68344, 119602, 239204, 367349, 478408, 734698, 1469396, 2571443, 2938792, 5142886, 10285772, 20571544]

約数ペア:

[(1, 20571544), (2, 10285772), (4, 5142886), (7, 2938792), (8, 2571443), (14, 1469396), (28, 734698), (43, 478408), (56, 367349), (86, 239204), (172, 119602), (301, 68344), (344, 59801), (602, 34172), (1204, 17086), (2408, 8543)]