20745352

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 39816000

約数和(自身を除く): 19070648

約数列:

[1, 2, 4, 8, 83, 157, 166, 199, 314, 332, 398, 628, 664, 796, 1256, 1592, 13031, 16517, 26062, 31243, 33034, 52124, 62486, 66068, 104248, 124972, 132136, 249944, 2593169, 5186338, 10372676, 20745352]

約数ペア:

[(1, 20745352), (2, 10372676), (4, 5186338), (8, 2593169), (83, 249944), (157, 132136), (166, 124972), (199, 104248), (314, 66068), (332, 62486), (398, 52124), (628, 33034), (664, 31243), (796, 26062), (1256, 16517), (1592, 13031)]