20178891549

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{7349}}^1\times {\mathrm{5171}}^1$

素因数の和:12585

約数の個数: 24

約数和(自身を含む): 29651076000

約数和(自身を除く): 9472184451

約数列:

[1, 3, 9, 59, 177, 531, 5171, 7349, 15513, 22047, 46539, 66141, 305089, 433591, 915267, 1300773, 2745801, 3902319, 38001679, 114005037, 342015111, 2242099061, 6726297183, 20178891549]

約数ペア:

[(1, 20178891549), (3, 6726297183), (9, 2242099061), (59, 342015111), (177, 114005037), (531, 38001679), (5171, 3902319), (7349, 2745801), (15513, 1300773), (22047, 915267), (46539, 433591), (66141, 305089)]