20345072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{115597}}^1$

素因数の和:115616

約数の個数: 20

約数和(自身を含む): 43002456

約数和(自身を除く): 22657384

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 115597, 231194, 462388, 924776, 1271567, 1849552, 2543134, 5086268, 10172536, 20345072]

約数ペア:

[(1, 20345072), (2, 10172536), (4, 5086268), (8, 2543134), (11, 1849552), (16, 1271567), (22, 924776), (44, 462388), (88, 231194), (176, 115597)]