20489826

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21211}}^1$

素因数の和:21246

約数の個数: 32

約数和(自身を含む): 48872448

約数和(自身を除く): 28382622

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 21211, 42422, 63633, 127266, 148477, 296954, 445431, 487853, 890862, 975706, 1463559, 2927118, 3414971, 6829942, 10244913, 20489826]

約数ペア:

[(1, 20489826), (2, 10244913), (3, 6829942), (6, 3414971), (7, 2927118), (14, 1463559), (21, 975706), (23, 890862), (42, 487853), (46, 445431), (69, 296954), (138, 148477), (161, 127266), (322, 63633), (483, 42422), (966, 21211)]