12123020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6661}}^1$

素因数の和:6690

約数の個数: 48

約数和(自身を含む): 31338048

約数和(自身を除く): 19215028

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 6661, 13322, 26644, 33305, 46627, 66610, 86593, 93254, 133220, 173186, 186508, 233135, 346372, 432965, 466270, 606151, 865930, 932540, 1212302, 1731860, 2424604, 3030755, 6061510, 12123020]

約数ペア:

[(1, 12123020), (2, 6061510), (4, 3030755), (5, 2424604), (7, 1731860), (10, 1212302), (13, 932540), (14, 865930), (20, 606151), (26, 466270), (28, 432965), (35, 346372), (52, 233135), (65, 186508), (70, 173186), (91, 133220), (130, 93254), (140, 86593), (182, 66610), (260, 46627), (364, 33305), (455, 26644), (910, 13322), (1820, 6661)]