20178962379

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{220919}}^1$

素因数の和:221144

約数の個数: 32

約数和(自身を含む): 31812480000

約数和(自身を除く): 11633517621

約数列:

[1, 3, 9, 17, 27, 51, 153, 199, 459, 597, 1791, 3383, 5373, 10149, 30447, 91341, 220919, 662757, 1988271, 3755623, 5964813, 11266869, 33800607, 43962881, 101401821, 131888643, 395665929, 747368977, 1186997787, 2242106931, 6726320793, 20178962379]

約数ペア:

[(1, 20178962379), (3, 6726320793), (9, 2242106931), (17, 1186997787), (27, 747368977), (51, 395665929), (153, 131888643), (199, 101401821), (459, 43962881), (597, 33800607), (1791, 11266869), (3383, 5964813), (5373, 3755623), (10149, 1988271), (30447, 662757), (91341, 220919)]