20863336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{200609}}^1$

素因数の和:200628

約数の個数: 16

約数和(自身を含む): 42128100

約数和(自身を除く): 21264764

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 200609, 401218, 802436, 1604872, 2607917, 5215834, 10431668, 20863336]

約数ペア:

[(1, 20863336), (2, 10431668), (4, 5215834), (8, 2607917), (13, 1604872), (26, 802436), (52, 401218), (104, 200609)]