220197616

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{259667}}^1$

素因数の和:259728

約数の個数: 20

約数和(自身を含む): 434684232

約数和(自身を除く): 214486616

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 259667, 519334, 1038668, 2077336, 4154672, 13762351, 27524702, 55049404, 110098808, 220197616]

約数ペア:

[(1, 220197616), (2, 110098808), (4, 55049404), (8, 27524702), (16, 13762351), (53, 4154672), (106, 2077336), (212, 1038668), (424, 519334), (848, 259667)]