20209396

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{9587}}^1$

素因数の和:9639

約数の個数: 24

約数和(自身を含む): 38658816

約数和(自身を除く): 18449420

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 9587, 19174, 38348, 162979, 297197, 325958, 594394, 651916, 1188788, 5052349, 10104698, 20209396]

約数ペア:

[(1, 20209396), (2, 10104698), (4, 5052349), (17, 1188788), (31, 651916), (34, 594394), (62, 325958), (68, 297197), (124, 162979), (527, 38348), (1054, 19174), (2108, 9587)]