20588985

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1753}}^1$

素因数の和:1799

約数の個数: 40

約数和(自身を含む): 38202120

約数和(自身を除く): 17613135

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 1753, 2349, 3915, 5259, 8765, 11745, 15777, 26295, 47331, 50837, 78885, 141993, 152511, 236655, 254185, 457533, 709965, 762555, 1372599, 2287665, 4117797, 6862995, 20588985]

約数ペア:

[(1, 20588985), (3, 6862995), (5, 4117797), (9, 2287665), (15, 1372599), (27, 762555), (29, 709965), (45, 457533), (81, 254185), (87, 236655), (135, 152511), (145, 141993), (261, 78885), (405, 50837), (435, 47331), (783, 26295), (1305, 15777), (1753, 11745), (2349, 8765), (3915, 5259)]