20546055

素因数分解:

$3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:637

約数の個数: 40

約数和(自身を含む): 37281552

約数和(自身を除く): 16735497

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 291, 405, 485, 523, 873, 1455, 1569, 2615, 2619, 4365, 4707, 7845, 7857, 13095, 14121, 23535, 39285, 42363, 50731, 70605, 152193, 211815, 253655, 456579, 760965, 1369737, 2282895, 4109211, 6848685, 20546055]

約数ペア:

[(1, 20546055), (3, 6848685), (5, 4109211), (9, 2282895), (15, 1369737), (27, 760965), (45, 456579), (81, 253655), (97, 211815), (135, 152193), (291, 70605), (405, 50731), (485, 42363), (523, 39285), (873, 23535), (1455, 14121), (1569, 13095), (2615, 7857), (2619, 7845), (4365, 4707)]