20637506

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7741}}^1$

素因数の和:7817

約数の個数: 16

約数和(自身を含む): 32702208

約数和(自身を除く): 12064702

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 7741, 15482, 239971, 332863, 479942, 665726, 10318753, 20637506]

約数ペア:

[(1, 20637506), (2, 10318753), (31, 665726), (43, 479942), (62, 332863), (86, 239971), (1333, 15482), (2666, 7741)]