20161218032

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40647617}}^1$

素因数の和:40647656

約数の個数: 20

約数和(自身を含む): 40322437056

約数和(自身を除く): 20161219024

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40647617, 81295234, 162590468, 325180936, 650361872, 1260076127, 2520152254, 5040304508, 10080609016, 20161218032]

約数ペア:

[(1, 20161218032), (2, 10080609016), (4, 5040304508), (8, 2520152254), (16, 1260076127), (31, 650361872), (62, 325180936), (124, 162590468), (248, 81295234), (496, 40647617)]