20072019

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{967}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 31781376

約数和(自身を除く): 11709357

約数列:

[1, 3, 11, 17, 33, 37, 51, 111, 187, 407, 561, 629, 967, 1221, 1887, 2901, 6919, 10637, 16439, 20757, 31911, 35779, 49317, 107337, 180829, 393569, 542487, 608243, 1180707, 1824729, 6690673, 20072019]

約数ペア:

[(1, 20072019), (3, 6690673), (11, 1824729), (17, 1180707), (33, 608243), (37, 542487), (51, 393569), (111, 180829), (187, 107337), (407, 49317), (561, 35779), (629, 31911), (967, 20757), (1221, 16439), (1887, 10637), (2901, 6919)]