20434155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2741}}^1$

素因数の和:2827

約数の個数: 32

約数和(自身を含む): 37905408

約数和(自身を除く): 17471253

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 2741, 7455, 8223, 13705, 19187, 41115, 57561, 95935, 194611, 287805, 583833, 973055, 1362277, 2919165, 4086831, 6811385, 20434155]

約数ペア:

[(1, 20434155), (3, 6811385), (5, 4086831), (7, 2919165), (15, 1362277), (21, 973055), (35, 583833), (71, 287805), (105, 194611), (213, 95935), (355, 57561), (497, 41115), (1065, 19187), (1491, 13705), (2485, 8223), (2741, 7455)]