20616016

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{21839}}^1$

素因数の和:21906

約数の個数: 20

約数和(自身を含む): 40622400

約数和(自身を除く): 20006384

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 21839, 43678, 87356, 174712, 349424, 1288501, 2577002, 5154004, 10308008, 20616016]

約数ペア:

[(1, 20616016), (2, 10308008), (4, 5154004), (8, 2577002), (16, 1288501), (59, 349424), (118, 174712), (236, 87356), (472, 43678), (944, 21839)]