20975008

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38557}}^1$

素因数の和:38584

約数の個数: 24

約数和(自身を含む): 43724772

約数和(自身を除く): 22749764

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38557, 77114, 154228, 308456, 616912, 655469, 1233824, 1310938, 2621876, 5243752, 10487504, 20975008]

約数ペア:

[(1, 20975008), (2, 10487504), (4, 5243752), (8, 2621876), (16, 1310938), (17, 1233824), (32, 655469), (34, 616912), (68, 308456), (136, 154228), (272, 77114), (544, 38557)]