20107964

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{5231}}^1$

素因数の和:5297

約数の個数: 18

約数和(自身を含む): 36367632

約数和(自身を除く): 16259668

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 5231, 10462, 20924, 162161, 324322, 648644, 5026991, 10053982, 20107964]

約数ペア:

[(1, 20107964), (2, 10053982), (4, 5026991), (31, 648644), (62, 324322), (124, 162161), (961, 20924), (1922, 10462), (3844, 5231)]