20976704

素因数分解:

$2^6\times 7^2\times {\mathrm{6689}}^1$

素因数の和:6715

約数の個数: 42

約数和(自身を含む): 48428910

約数和(自身を除く): 27452206

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6689, 13378, 26756, 46823, 53512, 93646, 107024, 187292, 214048, 327761, 374584, 428096, 655522, 749168, 1311044, 1498336, 2622088, 2996672, 5244176, 10488352, 20976704]

約数ペア:

[(1, 20976704), (2, 10488352), (4, 5244176), (7, 2996672), (8, 2622088), (14, 1498336), (16, 1311044), (28, 749168), (32, 655522), (49, 428096), (56, 374584), (64, 327761), (98, 214048), (112, 187292), (196, 107024), (224, 93646), (392, 53512), (448, 46823), (784, 26756), (1568, 13378), (3136, 6689)]