20759648

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7129}}^1$

素因数の和:7159

約数の個数: 48

約数和(自身を含む): 50309280

約数和(自身を除く): 29549632

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 7129, 14258, 28516, 49903, 57032, 92677, 99806, 114064, 185354, 199612, 228128, 370708, 399224, 648739, 741416, 798448, 1297478, 1482832, 1596896, 2594956, 2965664, 5189912, 10379824, 20759648]

約数ペア:

[(1, 20759648), (2, 10379824), (4, 5189912), (7, 2965664), (8, 2594956), (13, 1596896), (14, 1482832), (16, 1297478), (26, 798448), (28, 741416), (32, 648739), (52, 399224), (56, 370708), (91, 228128), (104, 199612), (112, 185354), (182, 114064), (208, 99806), (224, 92677), (364, 57032), (416, 49903), (728, 28516), (1456, 14258), (2912, 7129)]