20319112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3163}}^1$

素因数の和:3253

約数の個数: 32

約数和(自身を含む): 42144480

約数和(自身を除く): 21825368

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 3163, 3212, 6326, 6424, 12652, 25304, 34793, 69586, 139172, 230899, 278344, 461798, 923596, 1847192, 2539889, 5079778, 10159556, 20319112]

約数ペア:

[(1, 20319112), (2, 10159556), (4, 5079778), (8, 2539889), (11, 1847192), (22, 923596), (44, 461798), (73, 278344), (88, 230899), (146, 139172), (292, 69586), (584, 34793), (803, 25304), (1606, 12652), (3163, 6424), (3212, 6326)]