20161748984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1571}}^1\times {\mathrm{123401}}^1$

素因数の和:124991

約数の個数: 32

約数和(自身を含む): 40737468240

約数和(自身を除く): 20575719256

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1571, 3142, 6284, 12568, 20423, 40846, 81692, 123401, 163384, 246802, 493604, 987208, 1604213, 3208426, 6416852, 12833704, 193862971, 387725942, 775451884, 1550903768, 2520218623, 5040437246, 10080874492, 20161748984]

約数ペア:

[(1, 20161748984), (2, 10080874492), (4, 5040437246), (8, 2520218623), (13, 1550903768), (26, 775451884), (52, 387725942), (104, 193862971), (1571, 12833704), (3142, 6416852), (6284, 3208426), (12568, 1604213), (20423, 987208), (40846, 493604), (81692, 246802), (123401, 163384)]