20594655

素因数分解:

$3^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 37246704

約数和(自身を除く): 16652049

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 211, 241, 405, 633, 723, 1055, 1205, 1899, 2169, 3165, 3615, 5697, 6507, 9495, 10845, 17091, 19521, 28485, 32535, 50851, 85455, 97605, 152553, 254255, 457659, 762765, 1372977, 2288295, 4118931, 6864885, 20594655]

約数ペア:

[(1, 20594655), (3, 6864885), (5, 4118931), (9, 2288295), (15, 1372977), (27, 762765), (45, 457659), (81, 254255), (135, 152553), (211, 97605), (241, 85455), (405, 50851), (633, 32535), (723, 28485), (1055, 19521), (1205, 17091), (1899, 10845), (2169, 9495), (3165, 6507), (3615, 5697)]