20879128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{153523}}^1$

素因数の和:153546

約数の個数: 16

約数和(自身を含む): 41451480

約数和(自身を除く): 20572352

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 153523, 307046, 614092, 1228184, 2609891, 5219782, 10439564, 20879128]

約数ペア:

[(1, 20879128), (2, 10439564), (4, 5219782), (8, 2609891), (17, 1228184), (34, 614092), (68, 307046), (136, 153523)]