20295517239

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1\times {\mathrm{2287}}^1$

素因数の和:3356

約数の個数: 48

約数和(自身を含む): 31346844672

約数和(自身を除く): 11051327433

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 997, 2287, 2967, 2991, 6861, 8901, 8973, 20583, 22931, 42871, 52601, 68793, 98341, 128613, 157803, 206379, 295023, 385839, 473409, 885069, 986033, 2261843, 2280139, 2958099, 6785529, 6840417, 8874297, 20356587, 20521251, 52443197, 98045977, 157329591, 294137931, 471988773, 882413793, 2255057471, 6765172413, 20295517239]

約数ペア:

[(1, 20295517239), (3, 6765172413), (9, 2255057471), (23, 882413793), (43, 471988773), (69, 294137931), (129, 157329591), (207, 98045977), (387, 52443197), (989, 20521251), (997, 20356587), (2287, 8874297), (2967, 6840417), (2991, 6785529), (6861, 2958099), (8901, 2280139), (8973, 2261843), (20583, 986033), (22931, 885069), (42871, 473409), (52601, 385839), (68793, 295023), (98341, 206379), (128613, 157803)]