20209952

素因数分解:

$2^5\times 7^2\times {\mathrm{12889}}^1$

素因数の和:12913

約数の個数: 36

約数和(自身を含む): 46287990

約数和(自身を除く): 26078038

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 12889, 25778, 51556, 90223, 103112, 180446, 206224, 360892, 412448, 631561, 721784, 1263122, 1443568, 2526244, 2887136, 5052488, 10104976, 20209952]

約数ペア:

[(1, 20209952), (2, 10104976), (4, 5052488), (7, 2887136), (8, 2526244), (14, 1443568), (16, 1263122), (28, 721784), (32, 631561), (49, 412448), (56, 360892), (98, 206224), (112, 180446), (196, 103112), (224, 90223), (392, 51556), (784, 25778), (1568, 12889)]