20805217208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{17737}}^1\times {\mathrm{7717}}^1$

素因数の和:25479

約数の個数: 32

約数和(自身を含む): 41070565200

約数和(自身を除く): 20265347992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 7717, 15434, 17737, 30868, 35474, 61736, 70948, 141896, 146623, 293246, 337003, 586492, 674006, 1172984, 1348012, 2696024, 136876429, 273752858, 547505716, 1095011432, 2600652151, 5201304302, 10402608604, 20805217208]

約数ペア:

[(1, 20805217208), (2, 10402608604), (4, 5201304302), (8, 2600652151), (19, 1095011432), (38, 547505716), (76, 273752858), (152, 136876429), (7717, 2696024), (15434, 1348012), (17737, 1172984), (30868, 674006), (35474, 586492), (61736, 337003), (70948, 293246), (141896, 146623)]