20210072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{132961}}^1$

素因数の和:132986

約数の個数: 16

約数和(自身を含む): 39888600

約数和(自身を除く): 19678528

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 132961, 265922, 531844, 1063688, 2526259, 5052518, 10105036, 20210072]

約数ペア:

[(1, 20210072), (2, 10105036), (4, 5052518), (8, 2526259), (19, 1063688), (38, 531844), (76, 265922), (152, 132961)]