20882320

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{9001}}^1$

素因数の和:9043

約数の個数: 40

約数和(自身を含む): 50231160

約数和(自身を除く): 29348840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 9001, 18002, 36004, 45005, 72008, 90010, 144016, 180020, 261029, 360040, 522058, 720080, 1044116, 1305145, 2088232, 2610290, 4176464, 5220580, 10441160, 20882320]

約数ペア:

[(1, 20882320), (2, 10441160), (4, 5220580), (5, 4176464), (8, 2610290), (10, 2088232), (16, 1305145), (20, 1044116), (29, 720080), (40, 522058), (58, 360040), (80, 261029), (116, 180020), (145, 144016), (232, 90010), (290, 72008), (464, 45005), (580, 36004), (1160, 18002), (2320, 9001)]