20178859509

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{10237879}}^1$

素因数の和:10237961

約数の個数: 16

約数和(自身を含む): 30304124800

約数和(自身を除く): 10125265291

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 10237879, 30713637, 92140911, 276422733, 747365167, 2242095501, 6726286503, 20178859509]

約数ペア:

[(1, 20178859509), (3, 6726286503), (9, 2242095501), (27, 747365167), (73, 276422733), (219, 92140911), (657, 30713637), (1971, 10237879)]