20795265

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4969}}^1$

素因数の和:5014

約数の個数: 32

約数和(自身を含む): 38169600

約数和(自身を除く): 17374335

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 4969, 14907, 24845, 44721, 74535, 134163, 154039, 223605, 462117, 670815, 770195, 1386351, 2310585, 4159053, 6931755, 20795265]

約数ペア:

[(1, 20795265), (3, 6931755), (5, 4159053), (9, 2310585), (15, 1386351), (27, 770195), (31, 670815), (45, 462117), (93, 223605), (135, 154039), (155, 134163), (279, 74535), (465, 44721), (837, 24845), (1395, 14907), (4185, 4969)]