20159541507

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1\times {\mathrm{55609}}^1$

素因数の和:55963

約数の個数: 32

約数和(自身を含む): 31333788160

約数和(自身を除く): 11174246653

約数列:

[1, 3, 7, 21, 61, 183, 283, 427, 849, 1281, 1981, 5943, 17263, 51789, 55609, 120841, 166827, 362523, 389263, 1167789, 3392149, 10176447, 15737347, 23745043, 47212041, 71235129, 110161429, 330484287, 959978167, 2879934501, 6719847169, 20159541507]

約数ペア:

[(1, 20159541507), (3, 6719847169), (7, 2879934501), (21, 959978167), (61, 330484287), (183, 110161429), (283, 71235129), (427, 47212041), (849, 23745043), (1281, 15737347), (1981, 10176447), (5943, 3392149), (17263, 1167789), (51789, 389263), (55609, 362523), (120841, 166827)]