20713671

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{719}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13155129

約数列:

[1, 3, 9, 11, 27, 33, 97, 99, 291, 297, 719, 873, 1067, 2157, 2619, 3201, 6471, 7909, 9603, 19413, 23727, 28809, 69743, 71181, 209229, 213543, 627687, 767173, 1883061, 2301519, 6904557, 20713671]

約数ペア:

[(1, 20713671), (3, 6904557), (9, 2301519), (11, 1883061), (27, 767173), (33, 627687), (97, 213543), (99, 209229), (291, 71181), (297, 69743), (719, 28809), (873, 23727), (1067, 19413), (2157, 9603), (2619, 7909), (3201, 6471)]