20854072

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84089}}^1$

素因数の和:84126

約数の個数: 16

約数和(自身を含む): 40363200

約数和(自身を除く): 19509128

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84089, 168178, 336356, 672712, 2606759, 5213518, 10427036, 20854072]

約数ペア:

[(1, 20854072), (2, 10427036), (4, 5213518), (8, 2606759), (31, 672712), (62, 336356), (124, 168178), (248, 84089)]