20940584

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19681}}^1$

素因数の和:19713

約数の個数: 32

約数和(自身を含む): 47236800

約数和(自身を除く): 26296216

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19681, 39362, 78724, 137767, 157448, 275534, 373939, 551068, 747878, 1102136, 1495756, 2617573, 2991512, 5235146, 10470292, 20940584]

約数ペア:

[(1, 20940584), (2, 10470292), (4, 5235146), (7, 2991512), (8, 2617573), (14, 1495756), (19, 1102136), (28, 747878), (38, 551068), (56, 373939), (76, 275534), (133, 157448), (152, 137767), (266, 78724), (532, 39362), (1064, 19681)]