20757184

素因数分解:

$2^6\times 7^2\times {\mathrm{6619}}^1$

素因数の和:6645

約数の個数: 42

約数和(自身を含む): 47922180

約数和(自身を除く): 27164996

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6619, 13238, 26476, 46333, 52952, 92666, 105904, 185332, 211808, 324331, 370664, 423616, 648662, 741328, 1297324, 1482656, 2594648, 2965312, 5189296, 10378592, 20757184]

約数ペア:

[(1, 20757184), (2, 10378592), (4, 5189296), (7, 2965312), (8, 2594648), (14, 1482656), (16, 1297324), (28, 741328), (32, 648662), (49, 423616), (56, 370664), (64, 324331), (98, 211808), (112, 185332), (196, 105904), (224, 92666), (392, 52952), (448, 46333), (784, 26476), (1568, 13238), (3136, 6619)]