20489488

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75329}}^1$

素因数の和:75354

約数の個数: 20

約数和(自身を含む): 42034140

約数和(自身を除く): 21544652

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75329, 150658, 301316, 602632, 1205264, 1280593, 2561186, 5122372, 10244744, 20489488]

約数ペア:

[(1, 20489488), (2, 10244744), (4, 5122372), (8, 2561186), (16, 1280593), (17, 1205264), (34, 602632), (68, 301316), (136, 150658), (272, 75329)]