20438658

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{3929}}^1$

素因数の和:3971

約数の個数: 36

約数和(自身を含む): 47053890

約数和(自身を除く): 26615232

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 289, 306, 578, 867, 1734, 2601, 3929, 5202, 7858, 11787, 23574, 35361, 66793, 70722, 133586, 200379, 400758, 601137, 1135481, 1202274, 2270962, 3406443, 6812886, 10219329, 20438658]

約数ペア:

[(1, 20438658), (2, 10219329), (3, 6812886), (6, 3406443), (9, 2270962), (17, 1202274), (18, 1135481), (34, 601137), (51, 400758), (102, 200379), (153, 133586), (289, 70722), (306, 66793), (578, 35361), (867, 23574), (1734, 11787), (2601, 7858), (3929, 5202)]