20315816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{149381}}^1$

素因数の和:149404

約数の個数: 16

約数和(自身を含む): 40333140

約数和(自身を除く): 20017324

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 149381, 298762, 597524, 1195048, 2539477, 5078954, 10157908, 20315816]

約数ペア:

[(1, 20315816), (2, 10157908), (4, 5078954), (8, 2539477), (17, 1195048), (34, 597524), (68, 298762), (136, 149381)]